diff --git a/app/constants/application.js b/app/constants/application.js
new file mode 100644
index 00000000..68b23897
--- /dev/null
+++ b/app/constants/application.js
@@ -0,0 +1,5 @@
+export const APPLICATION_STATUS_TYPES = {
+  accepted: 'accepted',
+  rejected: 'rejected',
+  pending: 'pending',
+};
diff --git a/app/controllers/intro.js b/app/controllers/intro.js
index 2173b27a..6c102632 100644
--- a/app/controllers/intro.js
+++ b/app/controllers/intro.js
@@ -1,74 +1,60 @@
 import Controller from '@ember/controller';
+import { action } from '@ember/object';
 import { inject as service } from '@ember/service';
 import { tracked } from '@glimmer/tracking';
-import { action } from '@ember/object';
+import { APPS } from '../constants/urls';
+import { validateApplicationDetails } from '../utils/validate-application-details';
+import { APPLICATION_STATUS_TYPES } from '../constants/application';
 
 export default class IntroController extends Controller {
   @service login;
+  @tracked remarks = '';
+  statusTypes = APPLICATION_STATUS_TYPES;
 
-  @tracked rejectionNote = localStorage.getItem('rejectionNote') || '';
-  @tracked isRejected = localStorage.getItem('isRejected') === 'true';
+  @action
+  updateRemarks(e) {
+    const value = e.currentTarget.value;
+    this.remarks = value;
+  }
 
   @action
-  async approveAction() {
-    const userId = this.model.userId;
+  async approveRejectAction(status) {
+    const initialApplicationDetails = this.model?.[0];
 
-    if (!userId) {
-      alert('User ID is missing. Unable to generate invite link.');
+    const { isValid, data } = validateApplicationDetails(
+      initialApplicationDetails,
+    );
+
+    if (!isValid || !data) {
+      alert('Invalid application details.');
       return;
     }
 
+    const applicationId = data.id;
+    const body = { status, feedback: this.remarks };
+
     try {
       const response = await fetch(
-        `https://api.realdevsquad.com/discord/invites?userId=${userId}`,
+        `${APPS.API_BACKEND}/applications/${applicationId}`,
         {
-          method: 'POST',
+          method: 'PATCH',
           credentials: 'include',
+          headers: {
+            'Content-Type': 'application/json',
+          },
+          body: JSON.stringify(body),
         },
       );
 
-      if (response.ok) {
-        const result = await response.json();
-        const inviteLink = result.inviteLink;
-
-        this.model.inviteLink = inviteLink;
-
-        alert('User approved and invite link generated.');
-      } else if (response.status === 409) {
-        alert('Invite link is already present for this user.');
-      } else if (response.status === 403 || response.status === 404) {
-        const errorData = await response.json();
-        alert(`Failed to generate invite link: ${errorData.message}`);
-      } else {
-        const errorData = await response.json();
-        alert(`Failed to generate invite link: ${errorData.message}`);
+      if (!response.ok || response.status >= 400) {
+        alert('Failed to update application status.');
+        return;
       }
+
+      alert(`Application ${status.toLowerCase()} successfully.`);
     } catch (error) {
-      console.error('Error generating invite link:', error);
-      alert('An error occurred. Please try again later.');
+      alert('Something went wrong, please try again later.');
+      console.error('Error :', error);
     }
   }
-
-  @action
-  copyToClipboard(link) {
-    navigator.clipboard
-      .writeText(link)
-      .then(() => {
-        alert('Invite link copied to clipboard!');
-      })
-      .catch((err) => {
-        console.error('Failed to copy the text: ', err);
-      });
-  }
-
-  @action
-  rejectAction() {
-    const feedbackNote = document.querySelector('.comment-box').value.trim();
-    this.rejectionNote = feedbackNote;
-    this.isRejected = true;
-
-    // Store in local storage
-    localStorage.setItem('rejectionNote', feedbackNote);
-    localStorage.setItem('isRejected', 'true');
-  }
 }
diff --git a/app/templates/intro.hbs b/app/templates/intro.hbs
index 4ebb620f..7b13f813 100644
--- a/app/templates/intro.hbs
+++ b/app/templates/intro.hbs
@@ -21,21 +21,29 @@
 
         <label for="comment-box">Your Comment:</label>
         <textarea
-          id="comment-box"
+          aria-label="Application remarks"
           class="comment-box"
           placeholder="Enter your comments here..."
+          {{on "change" this.updateRemarks}}
         ></textarea>
 
         <div class="action-buttons">
           <button
             type="button"
             class="approve-button"
-            {{on "click" this.approveAction}}
-          >Approve</button>
+            {{on
+              "click"
+              (fn this.approveRejectAction this.statusTypes.accepted)
+            }}
+          >Accept</button>
+
           <button
             type="button"
             class="reject-button"
-            {{on "click" this.rejectAction}}
+            {{on
+              "click"
+              (fn this.approveRejectAction this.statusTypes.rejected)
+            }}
           >Reject</button>
         </div>
 
@@ -64,9 +72,10 @@
         </div>
       {{else}}
         <div class="under-review-message">
-          <p>Superusers are reviewing your application. Please check again after a few days.</p>
+          <p>Superusers are reviewing your application. Please check again after
+            a few days.</p>
         </div>
       {{/if}}
     {{/if}}
   {{/if}}
-</section>
+</section>
\ No newline at end of file
diff --git a/app/utils/validate-application-details.js b/app/utils/validate-application-details.js
new file mode 100644
index 00000000..3a47fa42
--- /dev/null
+++ b/app/utils/validate-application-details.js
@@ -0,0 +1,36 @@
+/**
+ * Generate application details
+ * ---
+ * @param {Object} applicationDetails
+ * @param {string} applicationDetails.id
+ * @param {Object} applicationDetails.intro
+ * @param {string} applicationDetails.intro.funFact
+ * @param {string} applicationDetails.intro.forFun
+ * @param {number} applicationDetails.intro.numberOfHours
+ * @param {string} applicationDetails.intro.whyRds
+ * @param {string} applicationDetails.intro.introduction
+ * @param {Object} applicationDetails.biodata
+ * @param {string} applicationDetails.biodata.firstName
+ * @param {string} applicationDetails.biodata.lastName
+ * @param {Object} applicationDetails.location
+ * @param {string} applicationDetails.location.country
+ * @param {string} applicationDetails.location.city
+ * @param {string} applicationDetails.location.state
+ * @param {string} applicationDetails.foundFrom
+ * @param {string} applicationDetails.userId
+ * @param {Object} applicationDetails.professional
+ * @param {string} applicationDetails.professional.skills
+ * @param {string} applicationDetails.professional.institution
+ * @param {string} applicationDetails.status - "accepted" | "rejected" | "pending"
+ *
+ * @returns {Object} validateApplicationDetails
+ * @returns {boolean} validateApplicationDetails.isValid
+ * @returns {applicationDetails} validateApplicationDetails.data
+ */
+export const validateApplicationDetails = (applicationDetails) => {
+  if (!applicationDetails || !applicationDetails.userId) {
+    return { isValid: false, data: null };
+  }
+
+  return { isValid: true, data: applicationDetails };
+};