Hello Dhananjay, first of all congratulations for getting a decent score in JEE mains, so first and the biggest hurdle is crossed and luckily with some good marks. I'm saying good marks because in SC category your rank will be pretty awesome. Now, the second most toughest hurdle is to decide your college with the desired branch.

You can easliy get some good college and your desired branch I'm attcahing the link below please check the college predictor tool of Career 360

https://www.careers360.com/college-predictor

Good luck!!

Hope it helps.