Airtel — I'm complaining about airtel postpaid bill

Address:

Thane, Maharashtra, 421202

Worst service ever i have ever seen my outstanding was 1250 rs and i paid 800 instead of this they stop my outgoing service after that i said please disconnect my all services i will pay remaining amount in 2 days but the wasn't and after few days my they stop my incoming too and continually send me bills which i have not been used why should i pay