Airtel — postpaid to prepaid migration not working for 10 days

Address:

560037

I have submitted postpaid to prepaid migration form on 25. Dec.2016 with all required details and proofs @ bangalore white filed airtel office.
My post paid got disconnected on 29. Dec.2017. But unfortunately prepaid not activated. I have called customer care center 10 times every time they were telling @ bangalore white filed airtel office is not provided required docs.
I am really need of phone connection. Please help me.

Regards,
Srinivas bontha