Tata Docomo — t24 migration to docomo an no service

Address:

Dhanbad, Jharkhand, 826001

My phone number [protected] was registered with t24 mobile which was the migrated to tata docomo and i got a message about it. After that i have not been getting service on my device. My phone network always displays - 'emergency calls only' even when we have service for tata docomo in our city. Also i have all my bank accounts, email and important stuff as such linked to this number.
I need the problem to be checked asap its causing a lot of troubles.