Hii

Applying for b.tech it is depend on colleges so in which colleges you have interested , check the applications in that college websites

And this is the process for applying in college websites

Log in to your account.

Fill in your personal information and educational history.

Add your program choices.

Request your transcripts.

Pay the application processing fee and any transcript fees.

Log back in to verify your transcript information, or to make changes or updates to your application.

Thank you::)