Hello jaymala . Congratulations for your good score in jee mains so coming to your questions as iits are among indias one of the most prestigious institution so its tough for you to get admission into top iits like Hyderabad or allahabad with computer science branch but still you can get into lower iits like pune , sricity , jabalpur and even bhopal and still many south iiits with your desired computer science branch.

Hope it helps

Hello JaymalaSutar ,

It’s difficult to tell you the exact about your admission possibilities but as per the previous year cutoff as a OBC category the chance seems less to get a seat in NITs, IIITs & GFTIs however you can try for state counseling like Punjab, Haryana, MP, Etc. To know your admission chances in JOSSA & State counseling you can use JEE Main college Predictor tool.

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

And for cutoff of IIT's you can visit https://engineering.careers360.com/articles/jee-main-cutoff-for-top-iiits

Hope it will be helpful for you :)