Airtel — did not get cash back since amount credited in company's a/c mob no[protected]

Address: Ludhiana, Punjab, 141203

I did not get my cash back worth rs 349 which had been credited in company's a/c vide reference no 1nomh1k91832,
Recently got clarification from branch that company's a/c had been credited
Kindly resolve it on urgent as your customer care helpline are not resolving my matter completely they are saying too email the matter in detail and if possible make as email from bank side which is quite not possible kindly see the matter and resolve it on priority as its getting too much time now

My mobile no is[protected]