Hathway — Want to change mobile number for offers and renewal calls

Hathway broadband telecallers are calling me everyday 2-3 times for renewal.Everytime when they called me I answered that i am not the user of that broadband i just make the payment while installation service and plz call to registered mobile number.That actual user may gave my number for these type of calls.I am getting irritation for these calls Please help me get rid of this.I answered more than 100 calls still everyday same scene repeats i don't know why they are calling me instead of the actual user.I dont know the account number of that Hathway broadband but i know user mobile number:[protected] and
mail Id: [protected]@vmail.com
Please Please do something and remove my number:[protected] from them and told them to call to the actual user mobile number:[protected].