Zerodha co-founder Nikhil Kamath applauded his brother, Nithin Kamath, and his sister-in-law, Seema Patil, in an emotional post on social media. Addressing their personal struggles, Nikhil added, "To both you and Seems, one year after losing our father, surviving cancer and a brain stroke, for never complaining and always smiling you deserve another kind of award altogether. In a world …