As per this SEBI circular, the SEBI turnover fee was reduced from Rs. 10 per crore to Rs. 5 per crore from June 01, 2020 to March 31, 2021. However, you were charged Rs. 5 per crore as SEBI turnover fee for your trades until May 4, 2021. This is what is collected on your contract notes. We have now charged the difference of Rs. 5 per crore that was not charged from April 1st to May 4th to your ledger.