Airtel — prepaid recharge reversal to correct number

My mob no. [protected]
Rech. Amt : 399
Wrong number :[protected]
Transaction no.[protected]
I did wrong recharge by mistake. And now company is not reversing me the same. I told them to take transaction id. And any other details they required so. But they refuse to grant me my money. Please help.
I did recharge of rs. 399 to my number [protected] but wrongly i enetered [protected].
So please reverse my money to my account number.