SBIcap Securities — Bank account debited unreasonably although credit for the trading showing on 28-5-21

I had transacted on 28-5-21 and there was a credit balance credited to my ledger account but at the same time a huge amount was debited to my bank account against the sum i had liened for trading.
Had been complaining since 28-5-21 to the helpdesk and rm but no correction done. Huge amount has instead been debited to my bank a/c. However the debit to my bank account is incorrect since there was a net credit balance fir my day’s trading as is apparent from my sbicap ledger. The huge debit to my bank account needs to be reversed instantly. The amount debited to my bank should be refunded since there was no amount payable that day.