Surat

No there is no specific course such as astrophysics. So, according to me this college would not be as good for your passion to become an astrophysicist.

Hello Heidi, I am afraid that there is no sports quota for admission. But there are different types of quotas for admission to any NIT. I am attaching a link that will give you all the required information about different aspects of these quotas and how they operate. https://www.shiksha.com/b-tech/articles/jee-main-2014-understanding-quotas-reservations-and-categories-blogId-7760
Best wishes to you.

Hello Dangar Arati, you have mentioned your score but I am sure you would have definitely received information about your percentile from NTA. These days it's the percentile that mattes and not raw marks. To help you I am attaching a link that will predict the branch and the college that you can get based on your performance in JEE Mains examination.
https://www.shiksha.com/engineering/jee-main-college-predictor
Best wishes to you.

Hello Thakar Divy, first let me congratulate you on getting such excellent percentile in JEE Mains. My sincere advise us to not stop here with admission in one of the NIT but go in for preparing and appearing for JEE Advanced forcwhich you will be definitely eligible. About guessing admission, I would like to advise you to download the college predictors available for JEE Mains on the net and use them for guess work. Best wishes to you.