Dear Student ,

To get admission in NIT for B.Tech , the following eligibility criteria's you need to be followed mandatorily:

• B.Tech: Physics and Maths should be mandatory subjects along with one of the subjects in between  Chemistry/Biology/Biotechnology/Technical Vocational subjects.

• B.Arch: Mathematics, Physics & Chemistry as compulsory subjects.

• B.Planning: Should qualify 12th exam  with Maths subject.

You can check the above details from here also:

https://engineering.careers360.com/articles/jee-main-eligibility-criteria

Hope this answer helps !