Bharat Sanchar Nigam [BSNL] — landline phone dead last three month

Address:

6/446 SFS AGARWAL FARM MANSAROVER, JAIPUR, Jaipur, Rajasthan, 302020

Sir
I have an landline connection last 30-40 years old, which is inactive from last three and half months.
For this i do complaint to bsnl office but they didn't give positive responce to my complaint having issue and told that we will check it. But they didn't send any technician to check the connection and the connection is still inactive. The company generate new bill every month without usage. And phone was dead from last three and half months.
So pls help me to solve this problems. And help to me phone discannection properly within on week. And submitted final bill. My new gmail id [protected]@gmail.com