diff --git a/school/lms/api.py b/school/lms/api.py
index 46518a76..a25f35ea 100644
--- a/school/lms/api.py
+++ b/school/lms/api.py
@@ -108,3 +108,24 @@ def reject_cohort_join_request(join_request):
     r.status = "Rejected"
     r.save(ignore_permissions=True)
     return {"ok": True}
+
+
+@frappe.whitelist()
+def undo_reject_cohort_join_request(join_request):
+    r = frappe.get_doc("Cohort Join Request", join_request)
+    sg = r and frappe.get_doc("Cohort Subgroup", r.subgroup)
+    # keeping Pending as well to consider the case of duplicate requests
+    if not sg or r.status not in ["Pending", "Rejected"]:
+        return {
+            "ok": False,
+            "error": "Invalid Join Request"
+        }
+    if not sg.is_manager(frappe.session.user):
+        return {
+            "ok": False,
+            "error": "Permission Deined"
+        }
+
+    r.status = "Pending"
+    r.save(ignore_permissions=True)
+    return {"ok": True}
diff --git a/school/www/cohorts/subgroup.html b/school/www/cohorts/subgroup.html
index ea9be393..08c511fc 100644
--- a/school/www/cohorts/subgroup.html
+++ b/school/www/cohorts/subgroup.html
@@ -60,6 +60,7 @@
 
 {% macro render_join_requests() %}
   {% set join_requests = subgroup.get_join_requests() %}
+  <h5>Pending Requests</h5>
   {% if join_requests %}
   <table class="table">
     <tr>
@@ -68,10 +69,10 @@
       <th>Email</th>
       <th>Actions</th>
     </tr>
-    {% for r in subgroup.get_join_requests() %}
+    {% for r in join_requests %}
     <tr>
         <td>{{loop.index}}</td>
-        <td>{{r.creation}}</td>
+        <td class="timestamp">{{r.creation}}</td>
         <td>{{r.email}}</td>
         <td
           data-name="{{r.name}}"
@@ -81,7 +82,33 @@
     {% endfor %}
   </table>
   {% else %}
-    <em>There are no pending join requests.</em>
+    <p><em>There are no pending join requests.</em></p>
+  {% endif %}
+  {% set rejected_requests = subgroup.get_join_requests(status="Rejected") %}
+
+  <h5>Rejected Requests</h5>
+  {% if rejected_requests %}
+    <table class="table">
+      <tr>
+        <th>#</th>
+        <th>When</th>
+        <th>Email</th>
+        <th>Actions</th>
+      </tr>
+    {% for r in rejected_requests %}
+      <tr>
+        <td>{{loop.index}}</td>
+        <td class="timestamp">{{r.creation}}</td>
+        <td>{{r.email}}</td>
+        <td
+          data-name="{{r.name}}"
+          data-email="{{r.email}}">
+          <a class="action-undo" href="#">Undo</a></td>
+      </tr>
+    {% endfor %}
+    </table>
+  {% else %}
+    <p><em>There are no rejected requests.</em></p>
   {% endif %}
 {% endmacro %}
 
@@ -116,6 +143,12 @@ $(function() {
      });
   });
 
+  $(".timestamp"). each(function() {
+    var t = moment($(this).text());
+    var dt = t.from(moment.now());
+    $(this).text(dt);
+  });
+
   $(".action-approve").click(function() {
     var name = $(this).parent().data("name");
     var email = $(this).parent().data("email");
@@ -136,6 +169,14 @@ $(function() {
     });
   });
 
+  $(".action-undo").click(function() {
+    var name = $(this).parent().data("name");
+    var email = $(this).parent().data("email");
+    frappe.confirm(`Are you sure to undo the rejection of <strong>${email}</strong>?`, function() {
+      run_action("school.lms.api.undo_reject_cohort_join_request", name);
+    });
+  });
+
   function run_action(method, join_request) {
     frappe.call(method, {
       join_request: join_request,