diff --git a/header.php b/header.php
index e232256..746b184 100644
--- a/header.php
+++ b/header.php
@@ -129,7 +129,7 @@
     <!-- Navbar & Hero Start -->
     <div class="container-fluid nav-bar p-0">
       <nav class="navbar navbar-expand-lg navbar-light bg-white px-4 px-lg-5 py-3 py-lg-0">
-        <a href="" class="navbar-brand p-0">
+        <a href="index.php" class="navbar-brand p-0">
           <h1 class="display-5 text-secondary m-0"><img src="img/Orient.png" class="img-fluid" alt=""></h1>
         </a>
         <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarCollapse">
@@ -137,7 +137,6 @@
         </button>
         <div class="collapse navbar-collapse" id="navbarCollapse">
           <div class="navbar-nav ms-auto py-0" style="border: none;">
-            <a href="index.php" class="nav-item nav-link ">Home</a>
             <div class="nav-item dropdown">
               <a href="aboutus.php" class="nav-link" data-bs-toggle="dropdown"><span class="dropdown-toggle">About
                   Us</span></a>
@@ -169,10 +168,14 @@
                 <a href="ielts.php" class="dropdown-item">IELTS</a>
                 <a href="pte.php" class="dropdown-item">PTE</a>
                 <a href="toefl.php" class="dropdown-item">TOEFL</a>
+                <a href="gre.php" class="dropdown-item">GRE</a>
+                <a href="gmat.php" class="dropdown-item">GMAT</a>
+                <a href="sat.php" class="dropdown-item">SAT</a>
                 <a href="japanese.php" class="dropdown-item">Japanese</a>
                 <a href="korean.php" class="dropdown-item">Korean</a>
               </div>
             </div>
+            <a href="services.php" class="nav-item nav-link">Services</a>
             <a href="blog.php" class="nav-item nav-link">Blog</a>
 
             <a href="contact.php" class="nav-item nav-link">Contact</a>
diff --git a/ielts.php b/ielts.php
index 3533573..fa25b57 100644
--- a/ielts.php
+++ b/ielts.php
@@ -23,6 +23,13 @@
               <div class=" aos-init aos-animate" data-aos="fade-up">
                 <h4 class="sidebar__title">Other Classes</h4>
                 <ul class="">
+                  <li>
+                    <div class="">
+                      <h6>
+                        <a href="ielts.php">IELTS</a>
+                      </h6>
+                    </div>
+                  </li>
                   <li>
                     <div class="">
                       <h6>
@@ -33,7 +40,21 @@
                   <li>
                     <div class="">
                       <h6>
-                        <a href="toefl.php">TOEFL</a>
+                        <a href="gre.php">GRE</a>
+                      </h6>
+                    </div>
+                  </li>
+                  <li>
+                    <div class="">
+                      <h6>
+                        <a href="gmat.php">GMAT</a>
+                      </h6>
+                    </div>
+                  </li>
+                  <li>
+                    <div class="">
+                      <h6>
+                        <a href="sat.php">SAT</a>
                       </h6>
                     </div>
                   </li>
diff --git a/pte.php b/pte.php
index 03931d2..83c0a0b 100644
--- a/pte.php
+++ b/pte.php
@@ -33,7 +33,28 @@
                   <li>
                     <div class="">
                       <h6>
-                        <a href="toefl.php">TOEFL</a>
+                        <a href="pte.php">PTE</a>
+                      </h6>
+                    </div>
+                  </li>
+                  <li>
+                    <div class="">
+                      <h6>
+                        <a href="gre.php">GRE</a>
+                      </h6>
+                    </div>
+                  </li>
+                  <li>
+                    <div class="">
+                      <h6>
+                        <a href="gmat.php">GMAT</a>
+                      </h6>
+                    </div>
+                  </li>
+                  <li>
+                    <div class="">
+                      <h6>
+                        <a href="sat.php">SAT</a>
                       </h6>
                     </div>
                   </li>
@@ -90,7 +111,6 @@
         
         <h1 class="display-5 mb-4">Get Started</h1>
         <p class=" mb-3">Ready to excel in the PTE Academic exam? Contact Orient International today to enroll in our PTE Academic preparation course and embark on your journey to academic and professional success.</p>
-        
       </div>
     </div>
     </div>
diff --git a/toefl.php b/toefl.php
index 16d076e..88ea300 100644
--- a/toefl.php
+++ b/toefl.php
@@ -37,6 +37,27 @@
                       </h6>
                     </div>
                   </li>
+                  <li>
+                    <div class="">
+                      <h6>
+                        <a href="gre.php">GRE</a>
+                      </h6>
+                    </div>
+                  </li>
+                  <li>
+                    <div class="">
+                      <h6>
+                        <a href="gmat.php">GMAT</a>
+                      </h6>
+                    </div>
+                  </li>
+                  <li>
+                    <div class="">
+                      <h6>
+                        <a href="sat.php">SAT</a>
+                      </h6>
+                    </div>
+                  </li>
                   <li>
                     <div class="">
                       <h6>