Check if the college
Is approved by AICTE
How old is the college. If its a new college its a risk as it may not have proper infrastructure and staff.
Has any campus placement programs
Has good lab facilities
Has good infractire for class rooms, and if planing for hosyel check if they serve tasty food in hostel canten and if hostel has good water supply
Better to talk to old students and understand what they think of the college