Bharat Sanchar Nigam Limited [BSNL] — Landline not working properly from 15 days

Address:

Nilgiris, Tamil Nadu, 643001

I am using a landline no [protected] which is not working properly from 15 days.. Line is full of disturbance. Have complained more than 10 times, only once a person attended that to did not. Rectify properly and now same issue within two days.. Have called many times again but no one is responding.. Have called 198 done computerised booking, called [protected] done booking but not a single person is attending.. This is the last try or else have to surrender it..