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please tell me some one about why my brokerage charge interest on late pay but i didnt pay late, actually i am mostely trading in eqity cash BTST or i keep for 10 days 20 days etc and for example in my portfolio already available 20 shares of HDFCbank in cash posstion it means 24,000 Rs value and today buy any shares value of 20 thousand or 25 thousand Rs. in BTST mood so i got time to pay T+2 days and if within T+2days i got profit so same shares of BTST i sold if not reach on profit range than if i have fund so instant on Wednesday before open the exchange i make Pay-in via online immidtly funds credited to broker and i also inform by phone and sent email about payment id Ref. No. etc but if in case that BTST shares not touching in Profit range and in my bank account not have fund so i sold and cash possition shares from my portfolio so if i am selling any cash position from my portfolio insted of that shares or can not payment so immdetly my Debit in NSE will be equel but broker firm they charged 2or 3 days interest so please tell me some one why Geojit BNP paribas do like that please reply me some one i will very thankful to you thanks