diff --git a/app/assets/docs/HECVAT3 _OpenDSA_20220830.xlsx b/app/assets/docs/HECVAT3 _OpenDSA_20220830.xlsx
new file mode 100644
index 00000000..1b0ecde7
Binary files /dev/null and b/app/assets/docs/HECVAT3 _OpenDSA_20220830.xlsx differ
diff --git a/app/controllers/documentation_controller.rb b/app/controllers/documentation_controller.rb
new file mode 100644
index 00000000..7432c170
--- /dev/null
+++ b/app/controllers/documentation_controller.rb
@@ -0,0 +1,6 @@
+class DocumentationController < ApplicationController
+  def hecvat_download
+    file_path = Rails.root.join('app', 'assets', 'docs', 'HECVAT3 _OpenDSA_20220830.xlsx')
+    send_file file_path, type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', disposition: 'attachment', filename: 'HECVAT3.xlsx'
+  end
+end
\ No newline at end of file
diff --git a/app/views/layouts/_navbar.html.haml b/app/views/layouts/_navbar.html.haml
index 21457a99..6c77dfdb 100644
--- a/app/views/layouts/_navbar.html.haml
+++ b/app/views/layouts/_navbar.html.haml
@@ -32,6 +32,20 @@
         %li
           %a{href: home_guide_path}
             Instructor Guides
+        %li.dropdown
+          %a.dropdown-toggle{ href: organizations_path,
+              data: { toggle: 'dropdown' }, value: 'System Documentation' }
+            System Documentation
+          %ul.dropdown-menu
+            %li
+              .yamm-content
+                %ul.list-unstyled
+                  %li
+                    %a{href:"https://opendsa.readthedocs.io/"}
+                      OpenDSA Official documentation
+                  %li
+                    -# %strong HECVAT3
+                    = link_to 'HECVAT3', hecvat_download_path
 
       %ul.nav.navbar-nav.navbar-right.nav-top
         - if user_signed_in?
diff --git a/config/routes.rb b/config/routes.rb
index 04bb953c..39800072 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -114,6 +114,7 @@
   post '/textbooks' => 'textbooks#create', as: :create_textbooks
   post '/textbooks/compile/:course_offering_id' => 'textbooks#compile', as: :compile_textbooks
 
+  get '/documentation/hecvat' => 'documentation#hecvat_download', as: :hecvat_download
 
   # All of the routes anchored at /gym
   scope :gym do