TradingLeagues, a fantasy gaming platform for the financial market, has raised $3.5 million from Leo Capital, Jeejeebhoy Family Office and the family office of KP Balaraj who is founder of Sequoia India and Westbridge Capital, in a pre-Series A funding round, according to moneycontrol report. Founder Raghu Kumar who had also co-founded Upstox, has been involved with financial markets through his entire…