United Bank Of India [UBI] — Request for getting back money debited from my ubi bank account no[protected]

Sir, with due respect i beg to state that rs 22488/ had been deducted from my ubi account no[protected]. I had visited the branch manager but he is so inactive. He said it is happened for online shopping. But i didn't access any website for shopping. I accessed an app named digital atm (Written as it's launched by bjp & rbi. I only added two bank a/ c (Sbi & ubi). No money had been deducted from my sbi a/c but rs22488/ had been deducted from my said ubi a/c. So it is my earnest request to you to enquiry about this matter as i can return my money. Expecting your favour and thank you very much. Yours faithfully, asoke kumar mandal