Upasana Taku is the co-founder of an app that changed the way millions of Indians use digital technology to make payments. Mobikwik now has more than a 150 million registered users. When Upasana set up the business in 2009 with her co-founder Bipin Preet Singh, India was still a cash-dependant society - but having worked for big tech companies in the US, Upasana knew there was a gap in the market. Devina Gupta asks her about her decision to leave a high-powered job in the US to move back to India to start a fintech company, and how she convinced both investors and her family that it was a smart business move.(Picture: Upasana Taku. Credit: Mobikwik) Presented and produced by Devina Gupta