1) you should send letter to your wife that although marriage was solemnised in may 2015 till date she has hardly stayed witht you for period of 3 months
2) that she had gone to her parents place for delivery of the baby in Nov 2015 and till date not returned to her matrimonial home
3) mention the visit made by you to her residence and her refusal to meet you during your visits
4) request her to intimate date when she is going to return to her matrimonial home with your child
5) also mention that you would be willing to travel to her native place on date and time fixed by her .
6) request her to submit reply at the earliest