Delhivery — Asking personal information

I got a call from delivery noida as he told me his name was wasim khan his no is [protected] he asked me my personal information by saying that he is authorised by the CEO of delivery he aaked my net worth, from where i get money do i run business, he wanted to come at my place. He aaked why i shop alot why i return back n all just want to know who gave him right to ask these questions . He called at odd time which was also not right. Please look into this matter on a serious note otherwise i am going to file case with his voice recording