NIT

You need at least 75.5 from the CBSE board or 65%. If you are from UP, boards, there are different criteria for merits, but nowadays 75% is working for all government colleges. And for more information, you may check it on the college site.

It is okay to do B.Tech from any college of your are interested your placement doesn't depend totally on the college but upon you. Take time and decide what you are interested in B.Sc or B.Tech, then you can do it from anywhere you want.

This is the Top NIT of India and comparatively above many IIT. If you really want to get there your score should be above 99.7 percentile.

Best colleges providing the placement opportunities to students pursuing B.Tech courses there.
1. BITS Pilani
2. VIT Vellore
3. AMity University, Noida
4. Lovely Professional University, Phagwara
5. Manipal University, Manipal
6. PEC, Chandigarh
7. HBTU, Kanpur
8. IET, Lucknow
9. ICT, Mumbai
10. Delhi Technological University.

Hello,
Top M.Tech pursuing colleges as under.
1. Amrita Vishwa Vidyapeetham, Coimbatore
2. College of Engineering Pune
3. Punjab Engineering College, Chandigarh
4. IISc Bangalore
5. BITS Pilani
6. Delhi Technological University
7. VIT Vellore
8. TIET Patiala.

Your expected JEE Main AIR is about 84865. For admission in IIITs your AIR rank should be below 15000. So admission chances for IIITs are very less. While for NITs home state quota is very important. So please tell me about your home state, because on the basis of expected AIR, You can not get other state quota seats.