You may first visit to pune alongwith your parents and family members and close relatives to see the baby and discuss the issues. If the matter does not solves then you may visit the nearest police station in pune with your marriage proof and ask them to assist you to meet your baby and wife and to bring them back to your home.
In this situation, avoid going alone to pune.
Hope this should solve your problem. For further discussion, you may call on below number.
Adv. Rohit Dalmia