Billionbrains Garage Ventures, the parent company of popular investment app Groww, has successfully listed, propelling its co-founder and CEO Lalit Keshre into India's billionaire club. Keshre, known for his understated approach and focus on fundamentals, now boasts a net worth exceeding Rs 9,400 crore ($1 billion) as the company achieves a market cap of around Rs 1 lakh crore.