Vodafone India — unnecessary amount added in bill

Address:

Gurgaon, Haryana, 122001

Hello,
My name is pranav.
I am using the vodafone corporate number ([protected]) for delhi ncr circle and my bill plan is 499/- per month rental. I dont use any internet service except whats app, even my mobile data consumption is too lase, every month apx 10 gb mobile data expire. Now my bill is generated for the amount 4956/-, there is a lot o[censored]nnecessary amount added in my bill, vas (Internet) charge is appx-3600/- mentioned in my bill. For the same i called as well sent mail for during amount fluctuation in unbilled amount but always got the different-different excuse not solution.