which branch has more scope in btech?

Dear Utkarsh, Well, every engineering branch has its own PROS. and it wont be right to judge any branch. However, if you want to know about the scope and prospects of various branch, you can refer to the below link https://ask.shiksha.com/which-engineering-disciplines-are-most-popular-dscns-182611

Civil, ME, CSE, ECE have good scope. But along with the scope you need to take admission in some good university/ college as your career reflects from there. There are lot many colleges around the corner but choosing the finest one is important. If you have given JEE or any state level entrance test

Civil or computer sc.

All Branch are better for u. All the best!