B.Arch

Hi,
With 3328 rank in JEE and 212 in Jamia rank exams and a good score in your class 12th, you have chances to secure admission in Jamia Millia Islamia.

Hi, with 84 marks in NATA 2019 exams, 90.5 percentile in JEE Mains Paper 2 and a good score in your class 12th you have chances to secure admission in Aligarh Muslim University.

Hi,
If you have qualified in JEE Mains paper 1 or JEE Mains paper 2 then you can take up JEE Advanced exams. An architecture aspirant can take up JEE Advanced AAT to get admission in IIT's.

Hi,
First of all congratulations, with 122/200 marks in NATA 2019 exams, 97.11 percentile in JEE Mains Paper 2 exam and 75% score in your class 12th, you can surely secure admission in Jadavpur University. The forms for admission are available on WB exams regional counseling authority website.

Hi,
Yes, 122 a is good score in NATA exams. Government colleges would be difficult, but surely you can secure private colleges. With 122/200 Marks in NATA 2019 exams and 82% score in your class 12th, you have chances to secure admission in very good colleges across the country. It would have been easier if you could have stated the state/ region, you are seeking to pursue your B.Arch programme. Check the link below to get a list of approved architecture colleges.
https://www.coa.gov.in/index1.php?lang=1&level=0&linkid=25&lid=26.

More than the college, it is the faculty and the student's aspiration along with hard work that matters in architecture.

There are only less than 600 seats in B Arch including all NITs. So, with this rank, it's impossible to get admission in any of the NITs.

Please use college predictor for better results
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor&ved=2ahUKEwjm1OSCy7DiAhVHdCsKHYK2D7wQFjAAegQICBAB&usg=AOvVaw1N9BzFtyUCP4JU-2UQHQ0H
It's your choice to give AAT Advance. According to me, you have to take a chance and give AAT Advance.

Please use college predictor for better results
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor&ved=2ahUKEwjm1OSCy7DiAhVHdCsKHYK2D7wQFjAAegQICBAB&usg=AOvVaw1N9BzFtyUCP4JU-2UQHQ0H

Your percentile is good. And, by your catogary there is very good chance to get a seat in this NIT.