diff --git a/algos/range_queries/DifferenceArray/CONTRIBUTING.md b/algos/range_queries/DifferenceArray/CONTRIBUTING.md
new file mode 100644
index 0000000..bded26d
--- /dev/null
+++ b/algos/range_queries/DifferenceArray/CONTRIBUTING.md
@@ -0,0 +1,58 @@
+# Contributing Guidelines
+
+Thank you for your interest in contributing to CodeCraft 🚀  
+We welcome contributions from everyone.
+
+---
+
+## How to Contribute
+
+1. Fork the repository.
+2. Clone your fork locally.
+3. Create a new branch for your issue.
+4. Make your changes following the coding standards.
+5. Commit with a clear message.
+6. Push the branch and open a Pull Request.
+
+---
+
+## Branch Naming Convention
+
+Use the following format:
+
+solve-issue-<issue_number>-short-description-username
+
+Example:
+solve-issue-151-contributing-guidelines-abhishek
+
+---
+
+## Commit Message Guidelines
+
+Use meaningful commit messages.
+
+Example:
+Add contributing guidelines (Issue #151)
+
+---
+
+## Coding Standards
+
+- Follow clean and readable code practices.
+- Use meaningful variable and function names.
+- Add comments where necessary.
+- Maintain proper folder structure.
+- Avoid unnecessary files and logs.
+
+---
+
+## Pull Request Rules
+
+- Mention the issue number in PR description.
+- Follow the PR template strictly.
+- One issue per pull request.
+- Ensure no conflicts with the main branch.
+
+---
+
+Happy Contributing! 🎉