diff --git a/src/lab/Introduction.html b/src/lab/Introduction.html
index 12b0e2ff..5a3d541b 100644
--- a/src/lab/Introduction.html
+++ b/src/lab/Introduction.html
@@ -7,24 +7,24 @@
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <meta name="description" content="Welcome to Virtual Labs - A MHRD Govt of india Initiative">
     <meta name="author" content="Virtual Labs - A MHRD Govt of india Initiative">
-    
+
     <title>Welcome to Virtual Labs - A MHRD Govt of india Initiative</title>
-    
+
      <link rel="shortcut icon" href="images/favicon.ico">
-    
- 
+
+
     <link href="css/bootstrap.min.css" rel="stylesheet">
 
 	<!-- Important Owl stylesheet -->
 	<link rel="stylesheet" href="vendors/owl-carousel/owl.carousel.css">
 	<link rel="stylesheet" href="vendors/owl-carousel/owl.theme.css">
-	
+
 	<link rel="stylesheet" href="vendors/font-awesome/css/font-awesome.css">
 
     <!-- Custom CSS -->
     <link href="css/style.css" rel="stylesheet">
 	<script type="text/javascript" src = 'tabs.js'></script>
-<script>(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics.js','ga');ga('create', 'UA-67558473-1', 'auto');ga('send', 'pageview');</script>	
+<script>(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics.js','ga');ga('create', 'UA-67558473-1', 'auto');ga('send', 'pageview');</script>
 </head>
 <body id="page-top" class="index">
 <div id="top">
@@ -40,12 +40,12 @@
 			                    <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>
-			            </div>			
-			                        
+			                <a class="navbar-brand main-logo-a" href="http://www.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 -->
 			            <div class="collapse navbar-collapse menu-div" id="bs-example-navbar-collapse-1" style="border: 0px;">
-			               
+
 			                <ul class="nav navbar-nav navbar-right menu-ul search-ul" style="position: relative; top: -5px;">
 			                	<li>
 			                		<form method="get" action="search-result.html">
@@ -54,7 +54,7 @@
 			                        </form>
 			                	</li>
 			                </ul>
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+
 			                <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>
@@ -68,11 +68,11 @@
 			                        <a href="http://vlabs.ac.in/index.html#contact" class="menu-a" >CONTACT</a>
 			                    </li>
 			                </ul>
-			                
-			               
-			                	
+
+
+
 			            </div>
-			            <!-- /.navbar-collapse -->  
+			            <!-- /.navbar-collapse -->
 	        </div>
 	        <!-- /.container-fluid -->
 	    </nav>
@@ -84,19 +84,19 @@
 					<hr style="background:#ff6600 !important;  height: 8px; margin-top: 0px;">
 				</div> <!-- row end -->
 			</div> <!-- container-fluid end for slider -->
-			
-			
+
+
 			<!-- =================================================================================================================================== -->
 			<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><br/></h2>
-					
+
 					<div class="row">
 						<div class="col-md-2 sidebar-col-2">
 						<!--edit1-->
 <a href="Introduction.html?domain=Computer Science" class="sidebar-a" > <h3 class="text-h3-darkblue" style="margin-top: 2px;">Introduction</h3></a><a href="List of experiments.html?domain=Computer Science" class="sidebar-a" > <h3 class="text-h3-darkblue" style="margin-top: 2px;">List of experiments</h3></a><a href="Target Audience.html?domain=Computer Science" class="sidebar-a" > <h3 class="text-h3-darkblue" style="margin-top: 2px;">Target Audience</h3></a><a href="Courses Aligned.html?domain=Computer Science" class="sidebar-a" > <h3 class="text-h3-darkblue" style="margin-top: 2px;">Courses Aligned</h3></a><a href="Prerequisites.html?domain=Computer Science" class="sidebar-a" > <h3 class="text-h3-darkblue" style="margin-top: 2px;">Prerequisites</h3></a><a href="Feedback.html?domain=Computer Science" class="sidebar-a" > <h3 class="text-h3-darkblue" style="margin-top: 2px;">Feedback</h3></a>						</div>
-						
+
 						<div class="col-md-10 lab-list-col-10">
-							
+
 							<!--edit -->
 <h1 class="text-h2-lightblue">Image Processing Lab</h1><div>
 <p>
@@ -119,9 +119,9 @@ <h1 class="text-h2-lightblue">Image Processing Lab</h1><div>
 
 
 
-			
+
 	</div> <!-- content div -->
-		
+
 	<footer>
 		<div class="container-fluid footer-div" style="background: #404040; margin-top: 40px;  padding: 20px;">
 			<div class="col-md-4 border-right-green-dotted" >
@@ -190,13 +190,13 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">
 
 	<!-- Custom Theme JavaScript -->
     <script src="js/custom.js"></script>
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+
     <!-- Include js plugin -->
 	<script src="vendors/owl-carousel/owl.carousel.js"></script>
-	
+
 	<script type="text/javascript">
 	$(document).ready(function() {
-		 
+
 		  var owl = $("#owl-demo");
 		  owl.owlCarousel({
 		      navigation: true,
@@ -207,7 +207,7 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">
 		      /* autoPlay : 3000,
 		      stopOnHover : true */
 		  });
-		  
+
 		  //owl for partner institutions
 		  var owl = $("#owl-partner-institutions");
 		  owl.owlCarousel({
@@ -220,17 +220,17 @@ <h2 class="text-h2-lightblue-small" style="font-weight: bold;margin-top: 0px;">
 		      stopOnHover : true,
 		      items : 8,
 		  });
-		 
-		
-	
+
+
+
 	 //owl for aboutus
 	  var owl = $("#owl-aboutus");
 	  owl.owlCarousel({
 	      navigation: true,
 	      singleItem:true
 	  });
-	 
+
 	});
 	</script>
-	
+
 </html>
diff --git a/src/lab/morph/references.html b/src/lab/morph/references.html
index c3d46f78..50f4df7b 100644
--- a/src/lab/morph/references.html
+++ b/src/lab/morph/references.html
@@ -14,6 +14,6 @@
 
 <p>Online Refrences: </p>
 
-<p>a. <a href="http://www.mathworks.com/help/toolbox/images/f18-12508.html">http://www.mathworks.com/help/toolbox/images/f18-12508.html</a></p>
+<p>a. <a href="https://in.mathworks.com/help/images/morphological-filtering.html">https://in.mathworks.com/help/images/morphological-filtering.html</a></p>
 
 <p>b. <a href="http://en.wikipedia.org/wiki/Mathematical_morphology">http://en.wikipedia.org/wiki/Mathematical_morphology</a></p>
