Hey!There
Here are list of some of the best B.Arch college of TN:
SRM INSTITUTE OF SCIENCE AND TECHNOLOGY
VIT, VELLORE
NIT,TRICHI
SATHYABAMA INSTITUTE OF SCIENCE AND TECHOLOGY,CHENNAI
HINDUSTAN INSTITUTE OF SCIENCE AND TECH.,CHENNAI etc.
Refer to below mentioned link to know about them and their mode of admission:
https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/colleges/list-of-b-arch-colleges-in-tamil-nadu&ved=2ahUKEwir3omTt6vmAhVSgUsFHaDUCu8QFjATegQIAhAB&usg=AOvVaw0Nf0KAJBZRyqM9eDztNeOA