I'm familiar with Zerodha for a completely different reason.

The founder, Nikhil Kamath cheated in a charity chess match vs Indian chess legend Viswanathan Anand. ref: https://hollywoodmash.com/how-chess-world-reacted-to-nikhil-... .

I've avoided the company since. Maybe the tech is great, maybe not, but led by someone who can stoop to cheating when the stakes are so low? No, they cannot be trusted with financial data.