JEE Main

I think, firstly you should solve DPPs and sheets provided by the coaching institutions (better if you solve sheet of any coaching center of Kota.).Then, you can follow CINGAGE book.

To get an accurate answer, you should mention your category. If you are a boy in general category, then you might not get any good government college. If you are a girl, then you would get a good state government college like, College Of Technology, Patnagar.

Firstly, prefer NCERT than HC Verma for physics and CENGAGE for math and for chemistry, NCERT and previous years' question of all three subjects is also must.

If we consider previous years cut off then you hold chances to get into NIT PATNA or NIT HAMIRPUR. The closing ranks of these colleges for b.arch last year were around 2500. You can try for your home state NIT as well, that will double your chances to get a seat there. Else there are other colleges that you can apply for: SPA, Vijayawada
BITS Mesra, Ranchi
Hope this was helpful.

You can sit for the exam but you cannot be a part of the NIT's counselling as you do not fulfill the eligibility of having more than 75% in your 12th class.

IIITs-270-290
NIT (top5)-250-270
NITs (next 5)-230-250
NITs (rest)-190-230
Others-170+

NIT will not be possible with this score still you can try your luck with home state NIT or some low rank NITs. Else, you can go for some GFTIs or regional engineering colleges and you might get a seat in one of those.

Yes, you can get admission in the college, fill up the application form now.

Did you appear for any regional entrance exams? Please try to take admissions through these regional entrance exams. Many private universities are far better than the colleges which you receive your score.

Kindly use the college predictor app. I hope this will resolve your query.
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
All the best.