MTNL INTERNET
INTERNET NOT WORKING

I am old customer of MTNL Mumbai since 1995. taken Internet connection on my landline no 27541595 about 3 years back. Internet is not connecting most of the time, it is hardly working 6-7 days in a month. MTNL is just selling the product, not giving after sale service, Only propmpt service which i find is sending the bills on time. need solution