https://www.thehindubusinessline.com/economy/digital-payments-rise-in-covid-times-but-then-so-does-cash-in-circulation/article32774031.ece/amp/
https://www.pwc.in/consulting/financial-services/fintech/dp/impact-of-the-covid-19-outbreak-on-digital-payments.html
https://www.statista.com/topics/5593/digital-payment-in-india/
https://www.livemint.com/news/india/where-india-leads-in-digital-payments-and-where-it-lags-11603181605154.html