diff --git a/index.html b/index.html
index 4c1903a..7a55ad7 100644
--- a/index.html
+++ b/index.html
@@ -230,8 +230,8 @@ <h2 class="text-xl font-bold text-gradient">Menu Navigation</h2>
                 <li><a href="resources_center.html" class="flex items-center gap-4 px-4 py-3 rounded-xl hover:bg-white/10 transition-colors text-gray-200 hover:text-white group"><i class="fa-solid fa-layer-group w-6 text-center text-orange-400 group-hover:scale-110 transition-transform"></i> Resources Center</a></li>
                 <li><a href="result_sgpa_cgpa_calculator.html" class="flex items-center gap-4 px-4 py-3 rounded-xl hover:bg-white/10 transition-colors text-gray-200 hover:text-white group"><i class="fa-solid fa-calculator w-6 text-center text-yellow-400 group-hover:scale-110 transition-transform"></i> Result, SGPA & CGPA Calculator</a></li>
                 <li><a href="placement_corner.html" class="flex items-center gap-4 px-4 py-3 rounded-xl hover:bg-white/10 transition-colors text-gray-200 hover:text-white group"><i class="fa-solid fa-briefcase w-6 text-center text-emerald-400 group-hover:scale-110 transition-transform"></i> Placement Corner</a></li>
-                <li><a href="placement_corner.html" class="flex items-center gap-4 px-4 py-3 rounded-xl hover:bg-white/10 transition-colors text-gray-200 hover:text-white group"><i class="fa-solid fa-robot w-6 text-center text-blue-300 group-hover:scale-110 transition-transform"></i> AI Study Assistant</a></li>
-                <li><a href="ai_study_assistant.html" class="flex items-center gap-4 px-4 py-3 rounded-xl hover:bg-white/10 transition-colors text-gray-200 hover:text-white group"><i class="fa-solid fa-user-tie w-6 text-center text-purple-300 group-hover:scale-110 transition-transform"></i> About Founder</a></li>
+                <li><a href="ai_study_assistant.html" class="flex items-center gap-4 px-4 py-3 rounded-xl hover:bg-white/10 transition-colors text-gray-200 hover:text-white group"><i class="fa-solid fa-robot w-6 text-center text-blue-300 group-hover:scale-110 transition-transform"></i> AI Study Assistant</a></li>
+                <li><a href="about_founder_contact.html" class="flex items-center gap-4 px-4 py-3 rounded-xl hover:bg-white/10 transition-colors text-gray-200 hover:text-white group"><i class="fa-solid fa-user-tie w-6 text-center text-purple-300 group-hover:scale-110 transition-transform"></i> About Founder</a></li>
                 <li><a href="about_founder_contact.html" class="flex items-center gap-4 px-4 py-3 rounded-xl hover:bg-white/10 transition-colors text-gray-200 hover:text-white group"><i class="fa-solid fa-envelope w-6 text-center text-gray-400 group-hover:scale-110 transition-transform"></i> Contact Information</a></li>
             </ul>
         </div>
@@ -312,7 +312,7 @@ <h3 class="text-2xl font-bold tracking-wide text-white text-center">Previous Yea
             </a>
 
             <!-- Folder 3: Quiz Test -->
-            <a href="#" class="folder-wrapper block animate-float delay-3 reveal">
+            <a href="chemistry.html" class="folder-wrapper block animate-float delay-3 reveal">
                 <div class="folder-tab flex items-center px-3">
                     <div class="w-1.5 h-1.5 rounded-full bg-cyan-400 mr-2"></div>
                 </div>