Vijay Shekhar Sharma, founder of Paytm

https://satellite-startup.iamarrows.com/how-to-validate-a-space-startup-idea-market-sizing-and-customer-discovery-in-new-space

Vijay Shekhar Sharma, founder of Paytm, is getting attention as the "Elon Musk of India" for his disruptive developments in fintech and digital payments.