NATA

Hello sharu,
Though there is no huge competition for B. Arch at Anna University, your scores matter a lot for getting a seat. Your score is not bad, but it is not sure that whether you can get a seat at the SAP campus or not. Try your best at the counseling.
All the best.

Hello Sonal,
NATA exam are now conducted just once in a year, so if you fail to attempt it this year, you have to go for the next year.

Some suggestions be:
1- A Complete Self Study Guide for B.Arch. Entrance Examination by P K Mishra
2- Steps to Architecture NATA B.Arch. Entrance Exam Paper Guide Paperback by Nimish Madan
3- Steps to Architecture: B.Arch. (NATA/JEE Main) Exam Guide Paperback by Nimish Madan
4- NATA and B.Arch. Complete Self Study Material by Ar. Shadan Usmani

Sorry, but it is number one college in India with very limited seats in architecture and planning. Kindly prefer other options for it.

The cutoff for Rachana Sansad Mumbai:
For, Academy Of Architecture | Aided
Cut off is 155.35 /200
State rank cutoff - 82
For, Academy Of Architecture | Unaided
Cut off is 154
State rank cutoff - 92 (Cut-offs are of open category).

Yes, there are many colleges which accept Mains paper - 2 as well, still there are many which accept only NATA. Some recommendations are BMS College or Engineering, NIT Trichy, NIT Kozhikode and RV College of Architecture.

Go for the NITs. So kindly visit the official website of NIT for regular updates.