Hi Shreya

The St. Xavier's, Mumbai doesn't offer B. arch courses. But I am listing top colleges for architecture courses of Mumbai :-

1. Rizwi College of Architecture, Mumbai

2. Sir J J College of Architecture, Mumbai

3. IES College of Architecture, Mumbai

4. University of Mumbai

5. Amity University, Mumbai

You can pursue your B. Arch course, from any if the above mentioned colleges.

All the best dear :)