diff --git a/src/lab/exp3/Experiment.html b/src/lab/exp3/Experiment.html
index f4055700..2c7c8c99 100644
--- a/src/lab/exp3/Experiment.html
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 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                </button>
-			                <a class="navbar-brand main-logo-a" href="http://vlabs.ac.in/index.html"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
+			                <a class="navbar-brand main-logo-a" href="http://vlab.co.in"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
 			            </div>			
 			                        
 			            <!-- Collect the nav links, forms, and other content for toggling -->
@@ -55,7 +55,7 @@
 			                	</li>
 			                </ul>
 			                
-			             <ul class="nav navbar-nav navbar-right menu-ul">
+			             <!--<ul class="nav navbar-nav navbar-right menu-ul">
 			                    <li class="page-scroll menu-li " >
 			                        <a href="http://vlabs.ac.in/index.html" class="menu-a" >HOME</a>
 			                    </li>
@@ -68,6 +68,7 @@
 			                        <a href="http://vlabs.ac.in/index.html#contact" class="menu-a" >CONTACT</a>
 			                    </li>
 			                </ul>
+			                -->
 			                
 			               
 			                	
@@ -88,7 +89,7 @@
 			
 			<!-- =================================================================================================================================== -->
 			<div class="container-fluid"  style="margin-left: 35px; margin-right: 35px;">
-				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlabs.ac.in/computer-science-and-engineering-labs.html" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-computer-science-and-engineering" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
 					
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@@ -137,7 +138,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > REGISTRATION</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > LOGIN</a></div> -->
 				<!-- <div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a></div> -->
-				<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>
+				<!--<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>-->
 				<a href="http://www.sakshat.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Sakshat Portal</a>
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 				<a href="http://outreach.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a>
@@ -149,7 +150,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > FEEDBACK</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > SAKSHAT PORTAL</a></div> -->
 				<h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;"> Contact us</h2>
-				<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>
+				<!--<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>-->
 				<a class="text-a-lightgreen"style="text-decoration: underline;" href="mailto:support@vlabs.ac.in">support@vlabs.ac.in</a>
 			</div>
 
diff --git a/src/lab/exp3/Feedback.html b/src/lab/exp3/Feedback.html
index 820edcde..1eada758 100644
--- a/src/lab/exp3/Feedback.html
+++ b/src/lab/exp3/Feedback.html
@@ -40,7 +40,7 @@
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 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                </button>
-			                <a class="navbar-brand main-logo-a" href="http://vlabs.ac.in/index.html"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
+			                <a class="navbar-brand main-logo-a" href="http://vlab.co.in"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
 			            </div>			
 			                        
 			            <!-- Collect the nav links, forms, and other content for toggling -->
@@ -55,7 +55,7 @@
 			                	</li>
 			                </ul>
 			                
-			             <ul class="nav navbar-nav navbar-right menu-ul">
+			             <!--<ul class="nav navbar-nav navbar-right menu-ul">
 			                    <li class="page-scroll menu-li " >
 			                        <a href="http://vlabs.ac.in/index.html" class="menu-a" >HOME</a>
 			                    </li>
@@ -68,6 +68,7 @@
 			                        <a href="http://vlabs.ac.in/index.html#contact" class="menu-a" >CONTACT</a>
 			                    </li>
 			                </ul>
+			                -->
 			                
 			               
 			                	
@@ -88,7 +89,7 @@
 			
 			<!-- =================================================================================================================================== -->
 			<div class="container-fluid"  style="margin-left: 35px; margin-right: 35px;">
-				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlabs.ac.in/computer-science-and-engineering-labs.html" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-computer-science-and-engineering" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
 					
 					<div class="row">
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@@ -129,7 +130,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > REGISTRATION</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > LOGIN</a></div> -->
 				<!-- <div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a></div> -->
-				<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>
+				<!--<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>-->
 				<a href="http://www.sakshat.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Sakshat Portal</a>
 				<!--<a href="http://118.102.191.38/feedback/Registration.html" class="text-a-lightgreen" style="text-decoration: underline;" > Nodal Center</a>-->
 				<a href="http://outreach.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a>
@@ -141,7 +142,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > FEEDBACK</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > SAKSHAT PORTAL</a></div> -->
 				<h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;"> Contact us</h2>
-				<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>
+				<!--<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>-->
 				<a class="text-a-lightgreen"style="text-decoration: underline;" href="mailto:support@vlabs.ac.in">support@vlabs.ac.in</a>
 			</div>
 
diff --git a/src/lab/exp3/Introduction.html b/src/lab/exp3/Introduction.html
index 8cd797b8..d6a6043d 100644
--- a/src/lab/exp3/Introduction.html
+++ b/src/lab/exp3/Introduction.html
@@ -40,7 +40,7 @@
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                </button>
-			                <a class="navbar-brand main-logo-a" href="http://vlabs.ac.in/index.html"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
+			                <a class="navbar-brand main-logo-a" href="http://vlab.co.in"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
 			            </div>			
 			                        
 			            <!-- Collect the nav links, forms, and other content for toggling -->
@@ -55,7 +55,7 @@
 			                	</li>
 			                </ul>
 			                
-			             <ul class="nav navbar-nav navbar-right menu-ul">
+			             <!--<ul class="nav navbar-nav navbar-right menu-ul">
 			                    <li class="page-scroll menu-li " >
 			                        <a href="http://vlabs.ac.in/index.html" class="menu-a" >HOME</a>
 			                    </li>
@@ -68,7 +68,7 @@
 			                        <a href="http://vlabs.ac.in/index.html#contact" class="menu-a" >CONTACT</a>
 			                    </li>
 			                </ul>
-			                
+			                -->
 			               
 			                	
 			            </div>
@@ -88,7 +88,7 @@
 			
 			<!-- =================================================================================================================================== -->
 			<div class="container-fluid"  style="margin-left: 35px; margin-right: 35px;">
-				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlabs.ac.in/computer-science-and-engineering-labs.html" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-computer-science-and-engineering" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
 					
 					<div class="row">
 						<div class="col-md-2 sidebar-col-2">
@@ -134,7 +134,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > REGISTRATION</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > LOGIN</a></div> -->
 				<!-- <div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a></div> -->
-				<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>
+				<!--<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>-->
 				<a href="http://www.sakshat.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Sakshat Portal</a>
 				<!--<a href="http://118.102.191.38/feedback/Registration.html" class="text-a-lightgreen" style="text-decoration: underline;" > Nodal Center</a>-->
 				<a href="http://outreach.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a>
@@ -146,7 +146,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > FEEDBACK</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > SAKSHAT PORTAL</a></div> -->
 				<h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;"> Contact us</h2>
-				<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>
+				<!--<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>-->
 				<a class="text-a-lightgreen"style="text-decoration: underline;" href="mailto:support@vlabs.ac.in">support@vlabs.ac.in</a>
 			</div>
 
diff --git a/src/lab/exp3/Manual.html b/src/lab/exp3/Manual.html
index c9b040cc..139abced 100644
--- a/src/lab/exp3/Manual.html
+++ b/src/lab/exp3/Manual.html
@@ -40,7 +40,7 @@
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                </button>
-			                <a class="navbar-brand main-logo-a" href="http://vlabs.ac.in/index.html"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
+			                <a class="navbar-brand main-logo-a" href="http://vlab.co.in"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
 			            </div>			
 			                        
 			            <!-- Collect the nav links, forms, and other content for toggling -->
@@ -55,7 +55,7 @@
 			                	</li>
 			                </ul>
 			                
-			             <ul class="nav navbar-nav navbar-right menu-ul">
+			             <!--<ul class="nav navbar-nav navbar-right menu-ul">
 			                    <li class="page-scroll menu-li " >
 			                        <a href="http://vlabs.ac.in/index.html" class="menu-a" >HOME</a>
 			                    </li>
@@ -68,6 +68,7 @@
 			                        <a href="http://vlabs.ac.in/index.html#contact" class="menu-a" >CONTACT</a>
 			                    </li>
 			                </ul>
+			                -->
 			                
 			               
 			                	
@@ -88,7 +89,7 @@
 			
 			<!-- =================================================================================================================================== -->
 			<div class="container-fluid"  style="margin-left: 35px; margin-right: 35px;">
-				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlabs.ac.in/computer-science-and-engineering-labs.html" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-computer-science-and-engineering" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
 					
 					<div class="row">
 						<div class="col-md-2 sidebar-col-2">
@@ -229,7 +230,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > REGISTRATION</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > LOGIN</a></div> -->
 				<!-- <div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a></div> -->
-				<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>
+				<!--<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>-->
 				<a href="http://www.sakshat.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Sakshat Portal</a>
 				<!--<a href="http://118.102.191.38/feedback/Registration.html" class="text-a-lightgreen" style="text-decoration: underline;" > Nodal Center</a>-->
 				<a href="http://outreach.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a>
@@ -241,7 +242,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > FEEDBACK</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > SAKSHAT PORTAL</a></div> -->
 				<h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;"> Contact us</h2>
-				<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>
+				<!--<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>-->
 				<a class="text-a-lightgreen"style="text-decoration: underline;" href="mailto:support@vlabs.ac.in">support@vlabs.ac.in</a>
 			</div>
 
diff --git a/src/lab/exp3/Objective.html b/src/lab/exp3/Objective.html
index 80570fd5..4470014b 100644
--- a/src/lab/exp3/Objective.html
+++ b/src/lab/exp3/Objective.html
@@ -40,7 +40,7 @@
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                </button>
-			                <a class="navbar-brand main-logo-a" href="http://vlabs.ac.in/index.html"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
+			                <a class="navbar-brand main-logo-a" href="http://vlab.co.in"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
 			            </div>			
 			                        
 			            <!-- Collect the nav links, forms, and other content for toggling -->
@@ -55,7 +55,7 @@
 			                	</li>
 			                </ul>
 			                
-			             <ul class="nav navbar-nav navbar-right menu-ul">
+			             <!--<ul class="nav navbar-nav navbar-right menu-ul">
 			                    <li class="page-scroll menu-li " >
 			                        <a href="http://vlabs.ac.in/index.html" class="menu-a" >HOME</a>
 			                    </li>
@@ -68,6 +68,7 @@
 			                        <a href="http://vlabs.ac.in/index.html#contact" class="menu-a" >CONTACT</a>
 			                    </li>
 			                </ul>
+			                -->
 			                
 			               
 			                	
@@ -88,7 +89,7 @@
 			
 			<!-- =================================================================================================================================== -->
 			<div class="container-fluid"  style="margin-left: 35px; margin-right: 35px;">
-				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlabs.ac.in/computer-science-and-engineering-labs.html" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-computer-science-and-engineering" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
 					
 					<div class="row">
 						<div class="col-md-2 sidebar-col-2">
@@ -134,7 +135,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > REGISTRATION</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > LOGIN</a></div> -->
 				<!-- <div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a></div> -->
-				<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>
+				<!--<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>-->
 				<a href="http://www.sakshat.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Sakshat Portal</a>
 				<!--<a href="http://118.102.191.38/feedback/Registration.html" class="text-a-lightgreen" style="text-decoration: underline;" > Nodal Center</a>-->
 				<a href="http://outreach.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a>
@@ -146,7 +147,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > FEEDBACK</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > SAKSHAT PORTAL</a></div> -->
 				<h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;"> Contact us</h2>
-				<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>
+				<!--<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>-->
 				<a class="text-a-lightgreen"style="text-decoration: underline;" href="mailto:support@vlabs.ac.in">support@vlabs.ac.in</a>
 			</div>
 
diff --git a/src/lab/exp3/Procedure.html b/src/lab/exp3/Procedure.html
index 10595d9b..0c502e1e 100644
--- a/src/lab/exp3/Procedure.html
+++ b/src/lab/exp3/Procedure.html
@@ -40,7 +40,7 @@
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 			                </button>
-			                <a class="navbar-brand main-logo-a" href="http://vlabs.ac.in/index.html"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
+			                <a class="navbar-brand main-logo-a" href="http://vlab.co.in"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
 			            </div>			
 			                        
 			            <!-- Collect the nav links, forms, and other content for toggling -->
@@ -55,7 +55,7 @@
 			                	</li>
 			                </ul>
 			                
-			             <ul class="nav navbar-nav navbar-right menu-ul">
+			             <!--<ul class="nav navbar-nav navbar-right menu-ul">
 			                    <li class="page-scroll menu-li " >
 			                        <a href="http://vlabs.ac.in/index.html" class="menu-a" >HOME</a>
 			                    </li>
@@ -68,6 +68,7 @@
 			                        <a href="http://vlabs.ac.in/index.html#contact" class="menu-a" >CONTACT</a>
 			                    </li>
 			                </ul>
+			                -->
 			                
 			               
 			                	
@@ -88,7 +89,7 @@
 			
 			<!-- =================================================================================================================================== -->
 			<div class="container-fluid"  style="margin-left: 35px; margin-right: 35px;">
-				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlabs.ac.in/computer-science-and-engineering-labs.html" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-computer-science-and-engineering" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
 					
 					<div class="row">
 						<div class="col-md-2 sidebar-col-2">
@@ -136,7 +137,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > REGISTRATION</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > LOGIN</a></div> -->
 				<!-- <div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a></div> -->
-				<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>
+				<!--<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>-->
 				<a href="http://www.sakshat.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Sakshat Portal</a>
 				<!--<a href="http://118.102.191.38/feedback/Registration.html" class="text-a-lightgreen" style="text-decoration: underline;" > Nodal Center</a>-->
 				<a href="http://outreach.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a>
@@ -148,7 +149,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > FEEDBACK</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > SAKSHAT PORTAL</a></div> -->
 				<h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;"> Contact us</h2>
-				<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>
+				<!--<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>-->
 				<a class="text-a-lightgreen"style="text-decoration: underline;" href="mailto:support@vlabs.ac.in">support@vlabs.ac.in</a>
 			</div>
 
diff --git a/src/lab/exp3/Quiz.html b/src/lab/exp3/Quiz.html
index a5f66e06..c17d415c 100644
--- a/src/lab/exp3/Quiz.html
+++ b/src/lab/exp3/Quiz.html
@@ -40,7 +40,7 @@
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                </button>
-			                <a class="navbar-brand main-logo-a" href="http://vlabs.ac.in/index.html"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
+			                <a class="navbar-brand main-logo-a" href="http://vlab.co.in"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
 			            </div>			
 			                        
 			            <!-- Collect the nav links, forms, and other content for toggling -->
@@ -55,7 +55,7 @@
 			                	</li>
 			                </ul>
 			                
-			             <ul class="nav navbar-nav navbar-right menu-ul">
+			             <!--<ul class="nav navbar-nav navbar-right menu-ul">
 			                    <li class="page-scroll menu-li " >
 			                        <a href="http://vlabs.ac.in/index.html" class="menu-a" >HOME</a>
 			                    </li>
@@ -68,6 +68,7 @@
 			                        <a href="http://vlabs.ac.in/index.html#contact" class="menu-a" >CONTACT</a>
 			                    </li>
 			                </ul>
+			                -->
 			                
 			               
 			                	
@@ -88,7 +89,7 @@
 			
 			<!-- =================================================================================================================================== -->
 			<div class="container-fluid"  style="margin-left: 35px; margin-right: 35px;">
-				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlabs.ac.in/computer-science-and-engineering-labs.html" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-computer-science-and-engineering" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
 					
 					<div class="row">
 						<div class="col-md-2 sidebar-col-2">
@@ -149,7 +150,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > REGISTRATION</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > LOGIN</a></div> -->
 				<!-- <div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a></div> -->
-				<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>
+				<!--<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>-->
 				<a href="http://www.sakshat.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Sakshat Portal</a>
 				<!--<a href="http://118.102.191.38/feedback/Registration.html" class="text-a-lightgreen" style="text-decoration: underline;" > Nodal Center</a>-->
 				<a href="http://outreach.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a>
@@ -161,7 +162,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > FEEDBACK</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > SAKSHAT PORTAL</a></div> -->
 				<h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;"> Contact us</h2>
-				<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>
+				<!--<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>-->
 				<a class="text-a-lightgreen"style="text-decoration: underline;" href="mailto:support@vlabs.ac.in">support@vlabs.ac.in</a>
 			</div>
 
diff --git a/src/lab/exp3/Read.html b/src/lab/exp3/Read.html
index 4bec56d1..32e581f6 100644
--- a/src/lab/exp3/Read.html
+++ b/src/lab/exp3/Read.html
@@ -40,7 +40,7 @@
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                </button>
-			                <a class="navbar-brand main-logo-a" href="http://vlabs.ac.in/index.html"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
+			                <a class="navbar-brand main-logo-a" href="http://vlab.co.in"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
 			            </div>			
 			                        
 			            <!-- Collect the nav links, forms, and other content for toggling -->
@@ -55,7 +55,7 @@
 			                	</li>
 			                </ul>
 			                
-			             <ul class="nav navbar-nav navbar-right menu-ul">
+			             <!--<ul class="nav navbar-nav navbar-right menu-ul">
 			                    <li class="page-scroll menu-li " >
 			                        <a href="http://vlabs.ac.in/index.html" class="menu-a" >HOME</a>
 			                    </li>
@@ -68,6 +68,7 @@
 			                        <a href="http://vlabs.ac.in/index.html#contact" class="menu-a" >CONTACT</a>
 			                    </li>
 			                </ul>
+			                -->
 			                
 			               
 			                	
@@ -88,7 +89,7 @@
 			
 			<!-- =================================================================================================================================== -->
 			<div class="container-fluid"  style="margin-left: 35px; margin-right: 35px;">
-				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlabs.ac.in/computer-science-and-engineering-labs.html" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-computer-science-and-engineering" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
 					
 					<div class="row">
 						<div class="col-md-2 sidebar-col-2">
@@ -141,7 +142,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > REGISTRATION</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > LOGIN</a></div> -->
 				<!-- <div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a></div> -->
-				<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>
+				<!--<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>-->
 				<a href="http://www.sakshat.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Sakshat Portal</a>
 				<!--<a href="http://118.102.191.38/feedback/Registration.html" class="text-a-lightgreen" style="text-decoration: underline;" > Nodal Center</a>-->
 				<a href="http://outreach.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a>
@@ -153,7 +154,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > FEEDBACK</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > SAKSHAT PORTAL</a></div> -->
 				<h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;"> Contact us</h2>
-				<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>
+				<!--<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>-->
 				<a class="text-a-lightgreen"style="text-decoration: underline;" href="mailto:support@vlabs.ac.in">support@vlabs.ac.in</a>
 			</div>
 
diff --git a/src/lab/exp3/Theory.html b/src/lab/exp3/Theory.html
index fb086b66..30f1475d 100644
--- a/src/lab/exp3/Theory.html
+++ b/src/lab/exp3/Theory.html
@@ -40,7 +40,7 @@
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                </button>
-			                <a class="navbar-brand main-logo-a" href="http://vlabs.ac.in/index.html"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
+			                <a class="navbar-brand main-logo-a" href="http://vlab.co.in"><img src="../images/logo-new.png" class="img-responsive main-logo" /></a>
 			            </div>			
 			                        
 			            <!-- Collect the nav links, forms, and other content for toggling -->
@@ -55,7 +55,7 @@
 			                	</li>
 			                </ul>
 			                
-			             <ul class="nav navbar-nav navbar-right menu-ul">
+			             <!--<ul class="nav navbar-nav navbar-right menu-ul">
 			                    <li class="page-scroll menu-li " >
 			                        <a href="http://vlabs.ac.in/index.html" class="menu-a" >HOME</a>
 			                    </li>
@@ -68,6 +68,7 @@
 			                        <a href="http://vlabs.ac.in/index.html#contact" class="menu-a" >CONTACT</a>
 			                    </li>
 			                </ul>
+			                -->
 			                
 			               
 			                	
@@ -88,7 +89,7 @@
 			
 			<!-- =================================================================================================================================== -->
 			<div class="container-fluid"  style="margin-left: 35px; margin-right: 35px;">
-				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlabs.ac.in/computer-science-and-engineering-labs.html" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-computer-science-and-engineering" class="sidebar-a" >Computer Science & Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >DLD Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
 					
 					<div class="row">
 						<div class="col-md-2 sidebar-col-2">
@@ -185,7 +186,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > REGISTRATION</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > LOGIN</a></div> -->
 				<!-- <div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a></div> -->
-				<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>
+				<!--<a href="http://community.virtual-labs.ac.in/w/index.php/Main_Page" class="text-a-lightgreen" style="text-decoration: underline;" >Community</a>-->
 				<a href="http://www.sakshat.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Sakshat Portal</a>
 				<!--<a href="http://118.102.191.38/feedback/Registration.html" class="text-a-lightgreen" style="text-decoration: underline;" > Nodal Center</a>-->
 				<a href="http://outreach.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Outreach Portal</a>
@@ -197,7 +198,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > FEEDBACK</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > SAKSHAT PORTAL</a></div> -->
 				<h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;"> Contact us</h2>
-				<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>
+				<!--<a href="http://feedback.vlabs.ac.in/" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a>-->
 				<a class="text-a-lightgreen"style="text-decoration: underline;" href="mailto:support@vlabs.ac.in">support@vlabs.ac.in</a>
 			</div>
 
diff --git a/src/lab/exp3/index.php b/src/lab/exp3/index.php
index 2b58c333..c417d84d 100644
--- a/src/lab/exp3/index.php
+++ b/src/lab/exp3/index.php
@@ -35,7 +35,7 @@
 $data['nav'] = $nav;
 //print_r($nav);
 
-$vlab_url = "http://virtual-labs.ac.in/"; 
+$vlab_url = "http://vlab.co.in"; 
 $css_js   = "../"; 
 $lab_url  = "../index.php";
 $exp_url  =  "./index.php";
diff --git a/src/lab/exp3/template1.html b/src/lab/exp3/template1.html
index 382fb88d..6f23400a 100644
--- a/src/lab/exp3/template1.html
+++ b/src/lab/exp3/template1.html
@@ -40,7 +40,7 @@
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                    <span class="icon-bar" style="background-color: #77BB41"></span>
 			                </button>
-			                <a class="navbar-brand main-logo-a" href="http://vlabs.ac.in/index.html"><img src="../../../images/logo-new.png" class="img-responsive main-logo" /></a>
+			                <a class="navbar-brand main-logo-a" href="http://vlab.co.in"><img src="../../../images/logo-new.png" class="img-responsive main-logo" /></a>
 			            </div>			
 			                        
 			            <!-- Collect the nav links, forms, and other content for toggling -->
@@ -55,7 +55,7 @@
 			                	</li>
 			                </ul>
 			                
-			             <ul class="nav navbar-nav navbar-right menu-ul">
+			             <!--<ul class="nav navbar-nav navbar-right menu-ul">
 			                    <li class="page-scroll menu-li " >
 			                        <a href="http://vlabs.ac.in/index.html" class="menu-a" >HOME</a>
 			                    </li>
@@ -68,6 +68,7 @@
 			                        <a href="http://vlabs.ac.in/index.html#contact" class="menu-a" >CONTACT</a>
 			                    </li>
 			                </ul>
+			                -->
 			                
 			               
 			                	
@@ -132,7 +133,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">U
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > FEEDBACK</a></div>
 				<div><a href="#" class="text-a-lightgreen" style="text-decoration: underline;" > SAKSHAT PORTAL</a></div> -->
 				<div class="text-h2-lightblue-small"> Contact : <i class="fa fa-envelope-o" style="color: white; font-size: 0.8em;"></i> <a class="text-a-lightgreen" style="text-decoration: underline; font-size: 1.0em;" href="mailto:support@vlab.co.in">support@vlabs.ac.in</a></div>
-				<div><a href="http://118.102.191.38/feedback/feedback.html" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a></div>
+				<!--<div><a href="http://118.102.191.38/feedback/feedback.html" class="text-a-lightgreen" style="text-decoration: underline;" > Feedback</a></div>-->
 			</div>
 			
 			<div class="col-md-2 border-right-green-dotted" >