[Resolved]  Idea Cellular — Getting Hoax Call s

Hi, I am getting a haox call from the recovery agents of idea cellular service.they are calling in my (RajeevKumar) And my wife's (Pooja Gupta) cell for the recovey of an amount that for the number which are not belongs to us . they are call ing us in odd hours and always use abusive language.
Can u please advice me wht step i have to take ?
They are demanding us money for the bill which noither on our name's not even belongs to us . If some body called us on the nuber and then made a fourd then we are responsibale for this ?

Please help us . and guide us to where we complinet for this .