diff --git a/backend/app/models/answers.js b/backend/app/models/answers.js
index 90d85036..8f80fcfe 100644
--- a/backend/app/models/answers.js
+++ b/backend/app/models/answers.js
@@ -27,6 +27,10 @@ const answerSchema = new Schema(
       type: Number,
       default: 0,
     },
+    downvotes:{
+      type:Number,
+      default:0
+    },
     created_on: {
       type: Date,
       required: true,
diff --git a/backend/app/models/question.js b/backend/app/models/question.js
index 4fe46114..a3d51bbe 100644
--- a/backend/app/models/question.js
+++ b/backend/app/models/question.js
@@ -28,6 +28,11 @@ const questionSchema = new Schema(
     downvotes:{
       type:Number,
       default:0
+    },
+    created_by:{
+      type:String,
+      required:true,
+      trim:true
     }
   },
   { timestamps: { createdAt: 'createdAt', updatedAt: 'updatedAt' } }
diff --git a/backend/app/routes/Q&A/answers/downvoteAnswer.js b/backend/app/routes/Q&A/answers/downvoteAnswer.js
index b4608d80..afcf5462 100644
--- a/backend/app/routes/Q&A/answers/downvoteAnswer.js
+++ b/backend/app/routes/Q&A/answers/downvoteAnswer.js
@@ -2,29 +2,11 @@ const to = require('await-to-js').default;
 const answer = require('../../../models/answers');
 const { ErrorHandler } = require('../../../../helpers/error');
 const constants = require('../../../../constants');
+const { getVoteCookieName } = require('../../../../helpers/middlewares/cookie');
 
 module.exports = async (req, res, next) => {
   const { answerId } = req.body;
-  const [err] = await to(
-    answer.updateOne({ _id: answerId }, [
-      {
-        $set: {
-          upvotes: {
-            $cond: [
-              {
-                $gt: ['$upvotes', 0],
-              },
-              {
-                $subtract: ['$upvotes', 1],
-              },
-              0,
-            ],
-          },
-        },
-      },
-    ])
-  );
-
+  const [err] = await to(answer.updateOne({ _id: answerId }, { $inc: { downvotes: 1 } }));
   if (err) {
     const error = new ErrorHandler(constants.ERRORS.DATABASE, {
       statusCode: 500,
@@ -35,6 +17,8 @@ module.exports = async (req, res, next) => {
     return next(error);
   }
 
+  res.cookie(getVoteCookieName('answer', answerId), true, { maxAge: 20 * 365 * 24 * 60 * 60 * 1000,sameSite:"none",secure:true });
+
   res.status(200).send({
     message: 'Answer has been down voted',
   });
diff --git a/backend/app/routes/Q&A/answers/index.js b/backend/app/routes/Q&A/answers/index.js
index 86ea6772..4b61f12b 100644
--- a/backend/app/routes/Q&A/answers/index.js
+++ b/backend/app/routes/Q&A/answers/index.js
@@ -9,6 +9,7 @@ const downvoteAnswer = require('./downvoteAnswer');
 const updateAnswerStatus = require('./updateAnswerStatus');
 const { authMiddleware } = require('../../../../helpers/middlewares/auth');
 const deleteAnswer = require('./deleteAnswer');
+const { checkVoteCookie } = require('../../../../helpers/middlewares/cookie');
 
 // POST API FOR ANSWER
 router.post('/', validation(answerValidationSchema), postAnswer);
@@ -17,10 +18,10 @@ router.post('/', validation(answerValidationSchema), postAnswer);
 router.get('/:questionId', getAnswers);
 
 // INCREASE UPVOTE FOR ANSWERS
-router.patch('/upvote', upvoteAnswer);
+router.patch('/upvote', checkVoteCookie,upvoteAnswer);
 
 // DECREASE UPVOTE FOR ANSWERS
-router.patch('/downvote', downvoteAnswer);
+router.patch('/downvote', checkVoteCookie,downvoteAnswer);
 
 // Update Answer Status
 router.patch('/updateStatus', validation(updateAnswerStatusSchema), updateAnswerStatus);
diff --git a/backend/app/routes/Q&A/answers/upvoteAnswer.js b/backend/app/routes/Q&A/answers/upvoteAnswer.js
index 38ce0678..24c38d03 100644
--- a/backend/app/routes/Q&A/answers/upvoteAnswer.js
+++ b/backend/app/routes/Q&A/answers/upvoteAnswer.js
@@ -2,6 +2,7 @@ const to = require('await-to-js').default;
 const answer = require('../../../models/answers');
 const { ErrorHandler } = require('../../../../helpers/error');
 const constants = require('../../../../constants');
+const { getVoteCookieName } = require('../../../../helpers/middlewares/cookie');
 
 module.exports = async (req, res, next) => {
   const { answerId } = req.body;
@@ -16,6 +17,8 @@ module.exports = async (req, res, next) => {
     return next(error);
   }
 
+  res.cookie(getVoteCookieName('answer', answerId), true, { maxAge: 20 * 365 * 24 * 60 * 60 * 1000,sameSite:"none",secure:true });
+
   res.status(200).send({
     message: 'Answer has been upvoted',
   });
diff --git a/backend/app/routes/Q&A/question/@validationSchema/index.js b/backend/app/routes/Q&A/question/@validationSchema/index.js
index 10bfee90..a440ad31 100644
--- a/backend/app/routes/Q&A/question/@validationSchema/index.js
+++ b/backend/app/routes/Q&A/question/@validationSchema/index.js
@@ -4,6 +4,7 @@ const QuestionValidationSchema = Joi.object().keys({
   title: Joi.string().trim().required().min(5),
   description: Joi.string().trim().required().min(10),
   tags: Joi.array().required(),
+  created_by:Joi.string().trim().required().min(5)
 });
 
 const updateQuestionStatusSchema = Joi.object().keys({