Bharat Sanchar Nigam [BSNL] — failure in service

Address:

Pune, Maharashtra, 412101

Service suddenly stopped.
My no.[protected] dilip, maharashtra
Customer care failed to serve.
No message service. Issue in calling, sms, otp, banking.
All incoming and outgoing calls have been barred without any pre intimation that causes a lot of problems i. E. Otp for all transactions, important calls, feeling of being isolated
Please kindly oblige me by doing the needful.