hey Chaitanya,Congratulations for such a result.You will be able to get the following colleges in B.Arch/Planning

NIT-Calicut

MNIT-jaipur

NIT-rourkela

NIT-bhopal

*NIT-tiruchirappalli(your home state. prefer this first for more chances will be more for you to get in there.)

NIT-nagpur

NIT-Hamirpur

NIT-Raipur

Indian Institute of Engineering Science and Technology, Shibpur

National Institute of Technology Patna

School of Planning & Architecture, Bhopal

School of Planning & Architecture, New Delhi

BIT-mesra

School of Planning & Architecture, Vijayawada

All the best!