I have a little knowledge about how the mentioned brokers are working, but why don’t you try Finvasia. I also trade in options at times and their order execution has been fine. NEST is available for free and most importantly, you’ll be able to save on the brokerage part as well
Open online account with Zerodha. Free delivery trading and Max Rs 20 for Intraday, F&O, Currency and Commodity Trading. Intraday High leverage with MIS, CO and BO.