diff --git a/src/lab/exp2/Introduction.html b/src/lab/exp2/Introduction.html
index fd40aae9c..098cddfd2 100644
--- a/src/lab/exp2/Introduction.html
+++ b/src/lab/exp2/Introduction.html
@@ -127,7 +127,7 @@ <h2 class="text-h2-lightblue" style="margin-bottom: 20px; margin-top: 10px;">
 
                     <div class="row">
                         <div class="col-md-2 sidebar-col-2">
-                            <a class="sidebar-a" href="Introduction.html?domain=Computer Science&amp;lab=Computer Graphics"> <h3 class="text-h3-darkblue" style="margin-top: 2px;color: #FF6600">Introduction</h3> </a>
+                            <a class="sidebar-a" href="Introduction.html?domain=Computer Science&amp;lab=Computer Graphics"> <h3 class="text-h3-darkblue" style="display:none; >
                             <a class="sidebar-a" href="Theory.html?domain=Computer Science&amp;lab=Computer Graphics"> <h3 class="text-h3-darkblue" style="margin-top: 2px;">Theory</h3> </a>
                             <a class="sidebar-a" href="Objective.html?domain=Computer Science&amp;lab=Computer Graphics"> <h3 class="text-h3-darkblue" style="margin-top: 2px;">Objective</h3> </a>
                             <a class="sidebar-a" href="Manual.html?domain=Computer Science&amp;lab=Computer Graphics"> <h3 class="text-h3-darkblue" style="margin-top: 2px;">Manual</h3> </a>
diff --git a/src/lab/exp9/Introduction.html b/src/lab/exp9/Introduction.html
index 078d3f04c..ce6597100 100644
--- a/src/lab/exp9/Introduction.html
+++ b/src/lab/exp9/Introduction.html
@@ -172,35 +172,35 @@ <h1 class="text-h1-lightblue">Rasterization : Line</h1>
                     <div class="container">
                         <div class="row">
                             <div class="col-lg-4 col-md-6">
-                                <h4>Community Links</h4>
+                                <h4>Community Links</h4> 
                                 <p>
-                                    <a href="http://www.sakshat.ac.in/">Sakshat Portal</a>
+                                <!--    <a href="http://www.sakshat.ac.in/">Sakshat Portal</a> -->
                                 </p>
                                 <p>
-                                    <a href="http://outreach.vlabs.ac.in/">Outreach Portal</a>
+                                 <!--   <a href="http://outreach.vlabs.ac.in/">Outreach Portal</a> -->
                                 </p>
                                 <p>
-                                    <a href="http://vlab.co.in/faq">FAQ : Virtual Labs</a>
+                                 <!--   <a href="http://vlab.co.in/faq">FAQ : Virtual Labs</a> -->
                                 </p>
                             </div>
                             <div class="col-lg-4 col-md-6">
-                                <h4>Contact Us</h4>
-                                <p><strong>Phone:</strong> General Information : 011-26582050</p>
-                                <p><strong>Email:</strong> support@vlab.co.in</p>
+                                 <h4>Contact Us</h4> 
+                                <p><strong>Phone:</strong> General Information : 011-26582050</p> 
+                                <p><strong>Email:</strong> support@vlab.co.in</p> 
                             </div>
-                            <div class="col-lg-4 col-md-6">
-                                <h4>Follow Us</h4>
+                            <div class="col-lg-4 col-md-6"> 
+                                <h4>Follow Us</h4> 
                                 <div class="social-links">
-                                    <a class="twitter" href="https://twitter.com/TheVirtualLabs" style="background: #55acee;">
+                                   <a class="twitter" href="https://twitter.com/TheVirtualLabs" style="background: #55acee;"> 
                                         <i class="fa fa-twitter"></i>
                                     </a>
-                                    <a class="facebook" href="https://www.facebook.com/Virtual-Labs-IIT-Delhi-301510159983871/" style="background: #3b5998;">
+                                    <a class="facebook" href="https://www.facebook.com/Virtual-Labs-IIT-Delhi-301510159983871/" style="background: #3b5998;"> 
                                         <i class="fa fa-facebook"></i>
                                     </a>
-                                    <a class="google-plus" href="https://www.youtube.com/watch?v=asxRaOgk6a0" style="background: #e52d27;">
+                                   <a class="google-plus" href="https://www.youtube.com/watch?v=asxRaOgk6a0" style="background: #e52d27;"> 
                                         <i class="fa fa-youtube"></i>
                                     </a>
-                                    <a class="linkedin" href="https://in.linkedin.com/in/virtual-labs-008ba9136" style="background: #2867b2;">
+                                   <a class="linkedin" href="https://in.linkedin.com/in/virtual-labs-008ba9136" style="background: #2867b2;"> 
                                         <i class="fa fa-linkedin"></i>
                                     </a>
                                 </div>