Hello student some of the best B.Arch college are as mentioned below -

1)Dayananda Sagar college of engineering, Banglore

2)SRM institute of science and technology, Chennai

3)lovely professional university Phagwara

4)Vellore institute of technology

5)School of planning and architecture, Delhi

For more updates refer to the link mentioned below - https://engineering.careers360.com/colleges/list-of-b-arch-colleges-in-india

Feel free to comment if you have any doubt

Good luck