Becasue they want us to use and help them with the feedback. Always remember "if something is free, you're the product", what I believe is to generate additional earnings Finvasia is helping tech company' new trading platfrom by getting it tested in the live envirorment and pass the feedback for improvement. If I'm not wrong Rupeeseed Technology Ventures Pvt Ltd is the platform developer in this case, and for now, this platform is actively getting develped and improved. I haven't seen any other broker using it for now.
After deep intensive testing with macros, I found that Shoonya is at least 2x slower in opening buy and sell order window in comparison to Nest and this is the only thing I do not like about Shoonya.