Hello Padma ,

No, all NIT's not offer IT branch Some of the list of NIT colleges offering IT (Information technology)  branch in B.tech .

1. National Institute of Technology , Srinagar .
2. National Institute of Technology , Raipur .
3. National Institute of Technology , Patna .
4. National Institute of Technology , Karnataka .
5. National Institute of Technology , Kurukshetra .

If you want more information about university visit this link you can able to Download brochure , Compare colleges between them e.t.c .

https://engineering.careers360.com/colleges/list-of-top-nit-colleges-in-india?degree=B.E%20/B.Tech&branch=Information%20Technology&sort=avg_fees

I think this answer will help you lot .

All the best !!!