From Mumbai
(Mumbai-Pune Road Map)
By Air : It takes half an hour to reach Pune. 
By Train : There are a numer of trains from Mumbai C.S.T. via Dadar,Mumbai to Pune on a daily basis. The nearest to University would be Shivajinagar / Khadki Station. 
By Road : The Mumbai-Pune Expressway is a nice pleasant ride. On the Expressway, there are many forks to get into the Pune City. For Pune University, Wakad fork is the nearest. So coming in from Wakad fork, you 'll be passing Sangvi, Aundh and then to GaneshKhind Road where you 'll get the Pune University Main Gate. 

After reaching Pune
(Pune Map)
From ShivajiNagar Railway Station 
Prepaid Taxis / auto-rickshaws. Else cross the Sancheti Hospital Bridge and come to the "Shivaji Nagar Bus Stop" on GaneshKhind Road. There's a huge signboard on that road that reads the University direction and get to the appropriate side of the busstop. Almost all the buses coming on that stop come to the University Main Gate. 

From Khadki Railway Station
We suggest you to take an auto-richshaw or Taxi. 

From Pune Railway Station
Prepaid Taxis / Auto-rickshaws ply from Station to Pune University. Pune Municipal Transport(PMT) buses are also available from Station to University. 

After reaching Pune University
(University Map)
There are electric vehicles which ply inside the Campus for Rs.3/person. Just ask him to get yourself to Pune University Computer Science Department. 
Else you can get to the Main Building. From Main Building get to C-DAC Super Computing Centre which is a mirrored building. Just next to that is PUCSD.