Axis Bank — Incorrect charges without any information

Address: Madampakkam, chennai -600073

I have been charged INR 1800 ( Oct, Nov & Dec each 600) as avg bal.

I opened SB A/C during 2020 with INR 5000 as minimum balance for the purpose of home loan. and I maintain balance much higher than minimum balance

The above charges have been done recently without any information to me.
when I reached RM they told i have to maintain INR 75000/-.

Bhaskar R
[protected]
Axis Bank, Madampakkam branch