You need min 75% for NIT General and 70% for SC/ST

Dear Aspirants/Guardians

For admission to Nits and IITs the candidate should satisfy at least one of these two criteria:-

He/she is within the category-wise top 20 percentile of successful candidates in his/her respective Class XII (or equivalent) Board examination.

He/she has secured 75% (for GEN or OBC-NCL) or 70% (SC, ST or PwD) of aggregate marks in the Class XII (or equivalent) Board examination.

All the very best and good luck.

In order to be eligible for NITs you should have 75% marks in your board exam or you should be in top 20 percentile.

For SC/ST you should have 65% marks. 

If you have aggregate 60% in P/C/M you can apply for DTU and NSIT

There is relaxtion of marks for reserved category. 

It will take admission through JEE Main and counselling will be held through JAC Delhi. 

There are many private colleges as well who consider JEE Main to provide admission. You have to apply seperately for these exams. 

Good Luck!!