Hathway Cable & Datacom — Harassment by continuously calling for either connection or Asking back of modem

Address:

Mumbai City, Maharashtra, 400080

I would like to launch a complaint against a sales executive of Hathway Broadband Mumbai Branch for constantly harassing to either resume hathway service or to give back their Modem which we have paid for at the time of connection. The executive have no manners to deal with customer. About returning back of modem was not negotiated at the time of taking connection nor they are writing down mail regarding it which makes me believe there is no such policy by company. Modem being easily available in market for money is no proprietary to the company when it is paid for.
Following is the number from which I get call for the same.
[protected]
Kindly take note of same