Hello Sriharichandra,

IITs as well as NITs donot accept NATA scores and their admission into B.Arch courses is through JEE (paper 2). Some of the top colleges in India accepting NATA scores are:

• IIEST Shibpur
• Jadavpur University, Kolkata
• Ramaiah Institute of Technology, Bangalore
• SRM University, Chennai
• VIT, Vellore
• Andhra University College of Engineering, Vishakhapatnam

These are some of the govt and private colleges accepting NATA scores.

To know more colleges which accept NATA scores check the link below.

https://engineering.careers360.com/colleges/ranking/2018/top-engineering-colleges-in-India-accepting-nata-score

Hope this helps. For more queries feel free to  comment down below. Good luck!