ICICI Bank — Unauthorized demat account charges

Address:

Delhi

I have an 3-in-1 account with icici bank and on 25th june 2020 i have been charged with 757.17 inr as dp charges with transaction remarks as dmc/in[protected] dp chgs till m ay-20. My account is more than 5 years old and i have a free trading account for which i have never been charged before. This is a unauthorized transaction as i never opted for it nor i was informed about the charges in past or present. I need a refund of this amount and i shall never be charged this in future as per initial agreement.