Engineering

You can click on the link below that will help you to find a college that you might get into with your rank:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

Please click on the link for more details:-https://www.shiksha.com/b-tech/resources/mhcet-college-predictor

Please click on the link for more details:-https://www.shiksha.com/b-tech/resources/upsee-college-predictor

Click on the link for more details:-https://www.shiksha.com/college/vishwakarma-institute-of-technology-bibwewadi-pune-23093

IPU for biotechnology so you can yourself see your chances to fetch a seat. Still you can try your luck with the counselling.

Click on the link for more details:- https://www.shiksha.com/b-tech/resources/mhcet-college-predictor

NITs are centrally funded institutes and offer you better technical environment with some good laboratories and highly experienced teachers.

NIT, Warangal you will have to score really well in JEE Mains and as you seem to be particular about your branch to be CSE, which holds the maximum competition so you will have to get a rank under 1000 possibly.

Click on the link for more details:- https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

The most scoring part of JEE. Bit there is no way that you can crack the exam without preparing for physics and maths. You still have some time. Re-collect all the concepts you have learned during your 11th and 12th. And you'll crack the exam if you have formed good concepts while your studies.