NIT Eligibility

No, not at all. It depends upon the category of students. The fee is higher for general and lower for SC/ST or PWD.

Please use the college predictor tool by Shiksha. This will help you to predict the college according to your rank or percentile. https://www.shiksha.com/college-predictor
Good Luck.

Yes, you are eligible to write JEE Advanced as you scored way above your cut off score of 32. You can get NITs, But write JEE Advanced as the cut off is very less for SC in JEE Advanced.

NIT is a little difficult in this situation, else you can try for others in meanwhile.

https://www.shiksha.com/college-predictor
Hi, here is the tool which you can refer to check the excepted college for your son according to the score.

Hi,
Follow this link to predict your rank:
https://www.shiksha.com/engineering/jee-main-rank-predictor

Please visit this link:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
This is college predictor, I hope this will help you.

National Aptitude Test NAT is a national level examination conducted for engineering and management aspirants. The exam is conducted by Asia Pacific Institute of Information Technology, Panipat. The applicability of NAT is limited to Asia Pacific Institute only, Hence NAT is not valid for admission in NIT, DTU and NSIT.

I suggest you to use the Shiksha 's predictor tool for more information and this will help you to predict the college according to your choice rank or percentile visit this link:
https://www.shiksha.com/college-predictor

Yes, you are eligible but you need to score a good rank in GATE for colleges like IIT & NIT. For BITS, there is a separate entrance exam for M.Tech.