diff --git a/src/lab/Feedback.html b/src/lab/Feedback.html
index 084ce25..f41e6e5 100755
--- a/src/lab/Feedback.html
+++ b/src/lab/Feedback.html
@@ -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/civil-engineering-labs.html" class="sidebar-a" >Civil Engineering</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-civil-engineering" class="sidebar-a" >Civil Engineering</a><br/></h2>
 					
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diff --git a/src/lab/Introduction.html b/src/lab/Introduction.html
index bc6c67d..252981c 100755
--- a/src/lab/Introduction.html
+++ b/src/lab/Introduction.html
@@ -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/civil-engineering-labs.html" class="sidebar-a" >Civil Engineering</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-civil-engineering" class="sidebar-a" >Civil Engineering</a><br/></h2>
 					
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diff --git a/src/lab/Prerequisites.html b/src/lab/Prerequisites.html
index a4fa36d..08a4bf8 100755
--- a/src/lab/Prerequisites.html
+++ b/src/lab/Prerequisites.html
@@ -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/civil-engineering-labs.html" class="sidebar-a" >Civil Engineering</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-civil-engineering" class="sidebar-a" >Civil Engineering</a><br/></h2>
 					
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diff --git a/src/lab/Target Audience.html b/src/lab/Target Audience.html
index 8a81a93..816598c 100755
--- a/src/lab/Target Audience.html	
+++ b/src/lab/Target Audience.html	
@@ -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/civil-engineering-labs.html" class="sidebar-a" >Civil Engineering</a><br/></h2>
+				<h2 class="text-h2-lightblue" style=" margin-bottom: 20px; margin-top: 10px; "><a href="http://vlab.co.in/broad-area-civil-engineering" class="sidebar-a" >Civil Engineering</a><br/></h2>
 					
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diff --git a/src/lab/exp1/Experiment.html b/src/lab/exp1/Experiment.html
index 4be30b7..af0a200 100755
--- a/src/lab/exp1/Experiment.html
+++ b/src/lab/exp1/Experiment.html
@@ -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/civil-engineering-labs.html" class="sidebar-a" >Civil Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >Structural Dynamics 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-civil-engineering" class="sidebar-a" >Civil Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >Structural Dynamics Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
 					
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diff --git a/src/lab/exp1/Introduction.html b/src/lab/exp1/Introduction.html
index 9760cb1..908cdef 100755
--- a/src/lab/exp1/Introduction.html
+++ b/src/lab/exp1/Introduction.html
@@ -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/civil-engineering-labs.html" class="sidebar-a" >Civil Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >Structural Dynamics 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-civil-engineering" class="sidebar-a" >Civil Engineering</a> &rarr;<a href="../Introduction.html" class="sidebar-a" >Structural Dynamics Lab</a>&nbsp&rarr;<a href="../List of experiments.html" class="sidebar-a" >List Of Experiments</a><br/></h2>
 					
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