The initial public offering of Groww, India’s answer to Robinhood Markets Inc., was the culmination of almost a decade’s hustle for engineer and entrepreneur Lalit Keshre.

Now, just days after the investment platform’s stock debut, the 44-year-old has joined a growing list of around a dozen financial billionaires to be minted in India, driven by a boom in demand for investing.

Shares of parent company Billionbrains Garage Ventures Ltd. have soared over its first six trading sessions, making it the most valuable stock broker in the country at around $11 billion at the end of trading on Thursday. That’s given Keshre a net worth of about $1 billion, according to the Bloomberg Billionaires Index. His three co-founders collectively own just under about $2 billion of stock in the company. Show

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