Paytm Merchant — bill payment not done but amount deducted

Address:	New Delhi, Delhi
Website:	billalert.mtnl.net.in/pay/login.asp

N 28th nov. While paying my mtnl bill no: [protected] dtd 9th jan 2017 via online payment site. Amount was deducted from bank account and bill remains unpaid. During online payment process i choose paytm as merchant. Now as per bank payment successful from their end. Hdfc transaction id [protected] dated 28th november 2017. Now they need email from merchant to return the balance.