Airtel — Abusing from airtel dth agent

Hai sir my self sachin I am getting lot of calls from different nu from airtel dth and they are abusing me every day the agent name amar ([protected]) from the date of[protected] he is calling me from defrent numbers and scolding me and my family and asking money two stop the calls and he is calling in time of midnight also, i try to reach police station also but no use now he is abusing me becose of him i going to comiit suside, and i dont have any dth network also