Which email we have to use for setup GIThub Account ?

@Anil Kumar Sagi To set up a GitHub account, you can use any email address that you have access to. It is recommended to use an email address that you check regularly, as GitHub will use this email address to send you notifications and updates about your account and repositories.

When you sign up for a GitHub account, you will be prompted to enter your email address as part of the registration process. You can enter any email address that you have access to, and GitHub will send a verification email to that address to confirm your account.

This article will help you in setting up the GitHub Account

https://docs.github.com/en/get-started/onboarding/getting-started-with-your-github-account

Creating an account on GitHub: https://docs.github.com/en/get-started/start-your-journey/creating-an-account-on-github