Icici Direct — Unethical Behaviour-Demat account charges

Address:

chennai

I have been deducting charges for last three years, but i dont know why ?
i dont know when my demat account openned.in this hard situation also i am paying all my icici credit card dues on time .

on 27th Oct' 20 rs662.52 has been debited for DMC/[protected] dp chgs till sep-20

on 02 Nov'20 rs 163.48 has been debited for [protected] dp chgs till sep-20

please refund atleast this year charges above mentioned, on 02 Nov 20 i received 400 rs from my friend, immediately got debited of rs 163.48 without my knowledge, No msg too.

i am requesting you to refund the above charges immediately. also suggest me how to close this demat account