Hathway — Getting unwanted calls and msg from hathway broadband bangalore

Address:

Hathway broadband bangalore

I have exited hathway broadband connection in Bangalore and returned device but still I am getting calls and msg daily basis, afternoon to be precise for disturbing and harassing even though I have informed them that I am no more a hathway customer, please remove my number and email from hathway database and stop the torture