Bengaluru-based payments app startup FamPay has raised $4.7 million in a seed funding round from investors including Y Combinator and Sequoia India. Other investors including CRED Founder Kunal Shah, Twitch Co-founder Kevin Lin and Pine Labs CEO Amrish Rau also participated in the round. FamPay was founded by 21-year-old entrepreneurs and IIT graduates Kush Taneja and Sambhav Jain.