HDFC Bank — ahb chgs inc gst oct-mar 2020-mir[protected]

Ahb chgs inc gst oct-mar2020-mir[protected]
I'm an hdfc bank holder since i opened the account there is not any deduction till march 2020 after that i have credited my account in the month of august with 31250. Rs then on my account rs.637 is deducted for unknown reason this very ridiculous i want my money back or else i will with another bank really unsatisfied with hdfc bank services i also called customer care but they didn't answer me what is this for. Please give my money back