Which college of Pune has best Infrastructure ??

As you've not mentioned a particular stream or domain I would answer accordingly,

1.NICMAR

All classrooms are air conditioned and well equipped with LCD projector, computer system with internet.Computers in the computer labs are of the latest technology with leading construction business related application packages.
An advanced Digital Language Lab is available for students to get proficiency in English.NICMAR Pune campus is having an auditorium with 300 seating capacity
Pune campus has an executive hostel with 30 single occupancy rooms, bath attached for the Executive trainers. Each room is well equipped with internet facility, TV and AC.

2.Symbiosis

It has sufficient classrooms, library having the required text books and reference books, e-library facility, Computer Lab, Ladies Common Room, Audio-Visual Hall, Conference Rooms, toilets etc.
Symbiosis institute offers a specialized CISCO Lab where students can perform various experiments and there on expand their practical knowledge skillsets. Every student has an access to enjoy the swimming pool facility.The gym on campus is well-equipped with a range of world-class facilities.It has an amphitheatre, badminton-squash courts a central library and the entire campus has 24/7 WiFi facility.

3.MIT

Classrooms are designed to resemble the parliament as long as MIT-SOG is concerned. It also has two air-conditioned smart classrooms with all the modern facilities like overhead projector, swivel chairs, etc. Each classroom can accommodate over 60 students.
The college has its own cricket, football, volleyball grounds and twin basketball courts with flood lights It also has 1500 sq.ft.modernstyle well equipped gymnasium. Table Tennis, Carrom and Wrestling facilities are also provided.