Dear Bobby,
All the best with your trip. I am from India and will stick with all that others have already suggested regarding safe water and food.
Meanwhile, I am including the contact information of a Doctor in Mumbai who specializes in Thalassemia. Mumbai and Pune are very close and chances are that you would be flying in and out of Mumbai. Anywyas so , we have personally met this doctor on three occassions and found him to be good, compassionate as well as knowledgeable. He is very good with emails and responds quite fast.
Here are the contact details-
Dr Rashid H Merchant,501, Rangmahal, 5th floor,2 Mount Mary Road, Bandra (West), Mumbai, India, deandoc2000@hotmail.com.
He is with the Department of Pediatrics, Dr Balabhai Nanavati Hospital, Mumbai, India.
This is for 'just in case' situation.
Please look forward to the trip. You will have fun and see if you get time to do some touristy stuff. If yes, then try to visit "Lonavala-Khandala". They are enroute to Pune.
All the best
SK