Airtel — money deducted not refund

To whom it may concern.
Sir i am laldhar chouhan i just want to mention about airtel worst service they can deduct the money but can not reverse it. Even though i have complained to airtel several times. I have recharged my airtel number through net banking but not recharged and then i talked to bank why it happened​, through bank i got the information that airtel that is merchant they not reversing the money. Then i have talked airtel customer care they told it's too late now money can't not be reversed.