There are many good universities which are providing this programe but J.J School of architecture, Mumbai,School of Planning and Architecture (SPA), New Delhi,Lovely Professional University, Jalandhar,Department of Architecture, IIT Roorkee 

No.

There is no course available for geology in CU.

You can check the list of courses available below -

http://www.cuchd.in/international/undergraduate/

Good Luck!!!