Axis Bank — Fraud debit in my account from bank side

Address:	indiranagar bangalore
Website:	axisbank.com

Axis bank had debited amount of rupees 1687 stating that BRN charges when i paid all my payment on time this is for the first time i am seeing this kind of debit from the bank side and its seriously not fair i have to pay my loan amount tomorrow so i have kept exactly the loan amount in my account but now suddenly 1687 amount had been debited from my account so now how can i pay the loan amount tomorrow if not paid again they gonna charge me interest for that to all because of bank people kindly refund my amount at the earliest.