NITs do not accept NATA score for B.Arch admissions. NITs consider the score of JEE Main Paper 2 for admissions into B.Arch program.
JEE MAINS PAPER 2
ELIGIBILITY- Candidates must have scored min. 50% marks in 10+2 with Maths as a compulsory subject/min. 50% marks in 10+3 degree. Students from Arts, Commerce, and Science backgrounds can apply for this test.
The exam has two parts- Drawing Test and Aptitude Test
Institutions Accepting JEE Main Paper 2 Scores-
Therefore, to get admission into the B.Arch program at NIT Trichy, you must prepare for the JEE Mains Paper 2. Your NATA score can get you admission into other well-known universities, but not into NIT Trichy.
Apparently, NITs do not generally accept NATA scores for B.Arch admissions. On the flip side, what they do consider is admission via Joint Seat Allocation Authority, abbreviated to JoSAA, which is basically the acceptance on the basis of JEE Mains for B.Arch, via paper-2. Besides, it also partially depends whether or not you are from the home state.
If you have appeared for the JEE B.Arch paper 2 examination, then you can apply for the Joint Seat Allocation Authority (JoSAA), the dates of which can be known through the online panel as per the authorities.
You can check the cut offs of NIT Trichy as was proclaimed in the previous years’ for home state students, alongside those from other states as well. However, your JEE Mains score is considered too and shall be at least above 200, for further selection.