Hey,

Hope your are doing well!

Well , different colleges have their different eligibility criteria for their computer science branch. You should have more than 75% in class 12th if you to want to take admission in cse branch in IIT ,NIT, CFTI, IIIT or any well reputated college and university .

So try to score more than 75%  in 12th so that you will get your field easily.

Hope this well help you!

Thank you!