Hello Prerna,

 I have considered all the important major areas such as Placement, faculty, teaching, environment, Grades such as NBA,NAAC,ISO,Autonomous etc. I myself even visited this following colleges and interacted with there students for there college feedback. (Always best way).

The list is as follows :-

1.COLLEGE OF ENGINEERING,PUNE

2.PUNE INSTITUTE OF COMPUTER TECHNOLOGY

3.VISHWAKARMA INSTITUTE OF TECHNOLOGY, BIBWEWADI

4.MAHARASHTRA INSTITUTE OF TECHNOLOGY, KOTHRUD

5. BVU COLLEGE OF ENGINEERING,PUNE

6. MAEER's MIT COLLEGE OF ENGINEERING, KOTHRUD

7. SINHAGADH COLLEGE OF ENGINEERING, VADGAON (BK)

8.SYMBIOSIS INSTITUTE OF TECHNOLOGY, PUNE

Hope it helps .Thank you 

Symbiosis and MIT World Peace University are best after that stands Bharati vidyapeeth and Sinhgad University in Pune for CS.