Sir, Which exam I need to crack for getting admission for computer science .I am from maharashtra

If you are asking for B.tech Computer Science then JEE Main is the National level exam for the admission to Engineering programme. In order to get admission in IITs, NITs, IIITs, GFTIs you should have minimum 75% in class 12th as a General category & 65% as a reserved category or top 20 percentile in your class XII exam conducted by the respective board.

You can also apply for MHT CET Entrance Exam if you belong to Maharashtra. As per the eligibility General category candidates should have secured minimum 50% aggregate marks in 12th standard examination (45% for SC/ST/OBC candidates). You can check the information with the given below link.

https://engineering.careers360.com/articles/mht-cet-eligibility-criteria

There are other University level exam also, You can apply like BITSAT, VITEEE, SRMJEE, AEEE etc.

In case you have any other Query then let me know.

Good Luck!