Airtel — complaint against dealer

Address:

Krishna, Andhra Pradesh, 521001

I was changed my airtel sim into 4g sim, for that airtel delear charged 100rs from me, actual price for non 4g cities 25, if 4g city, there is no cost for 4g sim. It is not first time, before also have bad experience, when i am updated aadhar they are taken 50rs for that.
My number [protected]

Dealer : sundar - [protected]
Airtel dealer
Machilipatnam