CBSE 12th

You can go for PSG, LOYOLA, Galaxy, etc. In Tamil Nadu with this score.

Don't think much about it. Focus on your graduation and get good marks. Then get a good percentile score in CAT & seek admission into a good MBA college. Focus on your studies and excel in academics & projects. Once all this is in places no one will look at your school scores.

No, you can't study geology because the basic criteria is the candidate should past 10+2 with Science stream subjects from a recognised board minimum aggregate marks required in main science stream (PCM/B) is around 55% marks.

Hi,
Yes you can go for Rajasthan Government Engineering College and Malviya National Institute of Technology. Thank you and best of luck.

No, you are not eligible.

Hi Aishna,
No, you cannot take direct admission. You should clear their entrance exam and then GD/PI or other situation test taking by them.

The minimum eligibility for B.Sc. Computer Science is the candidate should complete 10+2 studies from a recognised Board of Education under a relevant stream are eligible to apply for the undergraduate courses and the admission is on merit basis. Merit list will be drawn up based on the applicants previous academic performances. 50% of seats are reserved for the Muslim minority.

Hello,
I hope you are doing well. Yes, there may be a chance that you will get CSE in average ranked private colleges also You can check the list of colleges including NITs and IIITs that you can get according to your marks and rank. Use Shiksha JEE college predictor:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=7489993