Mahanagar Telephone Nigam [MTNL] — telephone dead from 4 years

Address:

shetty house opp oasis apt, 7 bunglows circle andheri west mumbai, Mumbai City, Maharashtra, 400061

Sir i have complaint lots of time i have 5 connections of land line number one residential and 4 for shops, none of them are working from 5 years given complaints every time i have to bear the cost of the material and my phone line is not working, your line men says there is a cable fault, cable needs to be replaced, mtnl doesn't have money to replace the cable so i was told buy a new cable of 100 mtrs and give, whereas i am paying my bills on time and from 5 years telephone is dead your customer support doesn't accept any written complaints, i have given lots telephonic complaints,
But problem is not resolved my number is 26313145/26333383/26351402/ comes under versova telephone exchange