Comment on Understanding the new margin pledge system — effective Aug 1, 2020
Hey Ratheesh, there are no charges for using collateral margin. However, exchanges stipulate that for overnight F&O positions, 50% of the margin needs to come in cash & the remaining 50% can come from the collateral margin. If you use collateral margins above 50% interest is charged at 0.035% per day. You can learn more on this here.