HDFC Bank — Deduction

Hi I have been receiving messages with multiple 1000Rs deduction from my account in the name of National Securities Clearing Corp Limited

What kind of deduction is this.
We are already paying to much maintenance fee to HDFC accounts, excess brokerage towards demat.

Client ID :[protected]
Date of deduction - 15 June 2021

Kindly refund the amount as soon as possible.

Highly unsatisfied with HDFC services.
Too many unnecessary deductions keep happening and we have to run behind them to cross check.