Airtel — no resolution for close connection request after sudden increased tariff and intermittent n/w connection

Address: 201308

Event after complaining by email a number of time to airtel customer care and nodaloffice email id for close connection request because o[censored]nwanted tariff charges and bad & intermittent network band width.

They are neither resolving nor taking action after a number of email requests for continuous 4-5 days.
Airtel disconnection request for number:[protected]_dsl.

Kindly find attachment of initial communication thread.