Bharti Airtel (Broadband) — Internet not working

Address:

H-1904, PBEL city, peerancheru, hyderabad, telangana, 500091

Internet for my broadbnd account associated with (land line no.[protected] is no functional since 48hrs. I have called no. Of times but airtel customercare keep ignoring it spoke to technical supervisers bt they are disconnecting or muting call without giving any infotmation.