Update pull_request_template.md

Author: d-kamath

.github/pull_request_template.md

@@ -1,4 +1,4 @@
-<!-- Insert the issue number and appropriate closing keyword. If using another keyword, change the default 'Closes' keyword -->
+<!-- Link to the issue and use the appropriate closing keyword (e.g., Closes, Resolves) -->
 Closes #
 
 <!-- Please provide a brief overview of the changes implemented -->
@@ -10,13 +10,17 @@ Closes #
 - [ ] Added Documentation 
 - [ ] Added Unit Tests 
 
-<!-- Please check the boxes after testing -->
+<!-- Ensure all boxes are checked before submitting the PR -->
 #### Testing (Mandatory for all changes)
-- [ ] Tested for GPU (test-medium-connected.xml)
-- [ ] Tested for GPU (test-long-connected.xml)
+- [ ] GPU Test: `test-medium-connected.xml` Passed
+- [ ] GPU Test: `test-large-long.xml` Passed
 
 <!-- 
-Please assign the PR to yourself and add the appropriate label. 
-Please add the reviewer after all the actions are passed successfully.
+PR Guidelines
+1. Ensure that your changes are merged into the `development` branch. Only merge into the `master` branch if explicitly instructed.
+     - On GitHub, at the top of the PR page, change the base branch from `master` to `development`.
+2. Assign the PR to yourself and apply the appropriate labels.
+3. Only add a reviewer after submitting the PR and confirming that all GitHub Actions have passed.
+
 Thank you for your contribution!
 -->