How to merge other github repository to my repository

There are very simple step ,which are as follows

1. Add that repository as your branch using create branch in github
2. Then write `git fetch` in your terminal.
3. Then write ` git merge <branchname>`
4. Then solve your conflict, if it occurs.
5. Then write `git add .` .
6. Then write ` git commit -m “I have merged successfully”
7. Then write ` git push`
8. Then write `git branch -d <branchname>
9. Then write ` git push origin — delete <branchname>`