Can I get admission in IIT, Bombay to pursue B.Tech in aerospace engineering without taking JEE Mains?

No, interview round for BSc admission at BIT Mesra is part of BITCHEM which is not required for candidates who are open to pusuing BSc at Birla Institute of Technology, Mesra. Candidates who apply through JEE Main will not be required to appear in BITCHEM.

Candidates wishing to take admission in BTech at IIIT Bhagalpur have to appear in JEE Main. Along with that, candidates also have to participate in JOSAA/ CSAB counselling process. Seat allocation is done when candidates clear cutoff ranks released on the official JoSAA website.

If you are OBC candidate then you can

1) Fill JoSSA — try for NIT Manipur/Nagaland/Mizoram in Civil or Mechanical

2) Participate in CSAB — extra chance

3) Don't skip state counselling — OBC quota there can be very beneficial

4) Apply to NSUT/YMCA — placements rival many NITs

A lower branch NIT vs NSUT/YM

If candidates have identical Common Rank List (CRL) in JEE (Main) - 2026 Paper-I even after applying NTA's tie-breaking measures, the following order of additional tie-breaking criteria shall be adopted for seat allocation in JAC Delhi:
1. Date of Birth (preference to the elder candidate).
2

Candidates wishing to take admission in BTech at Ramaiah Institute of Science and Management have to appear in JEE Main, JEE Advanced, CUET-UG, SAT, KCET, COMEDK. So, yes even if you have not appeared in JEE, you can produce score card of any of the above mentioned exams.