NIT Srinagar provides admission on the basis of JEE Main in BTech courses. So you can't get admission to the BTech course with any other examination. Only in the case of BTech ECE it provides admission on the basis of SAT .

Some of the courses offered by NIT SRINAGAR are provided below:

B.Tech Civil Engineering

B.Tech Mechanical Engineering

B.Tech Electrical Engineering

B.Tech Electronics and Communication Engineering

For more information visit the link below:

https://www.careers360.com/university/national-institute-of-technology-srinagar

I hope this answer helps. All the very best for your future endeavors!