Airtel — cashback not received mobile number [protected]

Address:

Sonipat, Haryana, 131101

Respected sir i had recharge my airtel number [protected] from airtel payment bank wallet with offer of rs. 100 cashback on first transaction.
But i did not received my cash back amount.

Details are as under

Recharge done on[protected]:15am, mrp:rs448.00, gst 18% payable by company/distributor/retailer:rs68.34, transid[protected]. To check your balance, validity, call tariff and best recharges, dial *121*51# or download my airtel app, click www.airtel.in/5/LBNV

Hello! You have added rs.398.00 in your airtel payments bank wallet. Avl bal rs.398.00. Txn id. [protected].

You have successfully done a airtel prepaid recharge for [protected] of rs.398.00 from wallet [protected]. Avl bal rs.0.00