Update README.md

Author: DiptoChakrabarty

README.md

@@ -74,19 +74,32 @@ pip install -r requirements.txt
     python3 app.py
 ```
 
-
-## Contributing
-
-Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are **greatly appreciated**.
-
-1. Fork the Project
-2. Create your Feature Branch (`git checkout -b feature/AmazingFeature`)
-3. Commit your Changes (`git commit -m 'Add some AmazingFeature'`)
-4. Push to the Branch (`git push origin feature/AmazingFeature`)
-5. Open a Pull Request to the development branch
-
-
-
+# Contributing
+
+When contributing to this repository, please first discuss the change you wish to make via issue,
+email, or any other method with the owners of this repository before making a change. 
+
+
+## Pull Request Process
+1. Ensure any install or build dependencies are removed before the end of the layer when doing a 
+   build.
+2. Update the README.md with details of changes to the interface, this includes new environment 
+   variables, exposed ports, useful file locations and container parameters.
+3. Only send your pull requests to the development branch where once we reach a stable point 
+    it will be merged with the   master branch 
+4. Associate each Pull Request with the required issue number 
+
+## Branch Policy 
+* development: If you are making a contribution make sure to send your Pull Request to this branch . All
+            developments goes in this branch.
+* master: After significant features/bug-fixes are accumulated in development branch we merge it with the master branch.
+
+## Contribution Practices
+* Write clear and meaningful commit messages.
+* If you report a bug please provide steps to reproduce the bug.
+* In case of changing the backend routes please submit an updated routes documentation for the same.
+* If there is an UI related change it would be great if you could attach a screenshot 
+ with the resultant changes so it is easier to review for the maintainers 
 
 ## License