Bharat Sanchar Nigam [BSNL] — Network issue/worst network

Address:

Swq 67 tata township mithapur near ashapura temple mithapur okhamandal devbhoomi dwarka 361345

After doing so many times complaint still the problem is not solved after doing complaint the network for few days and after that same condition no network for month/week pls solve the problem permanently
Not solved problem still permanently