The document discusses digital payments in India. It provides definitions of different types of digital payment instruments and outlines the history and evolution of digital payments in India from credit cards in 1981 to UPI in 2016. It describes key features of digital payments like convenience and security. Major reasons for increased adoption include demonetization in 2016 and expanding smartphone usage. Key digital payment methods discussed include cards, UPI, NEFT, RTGS, IMPS, internet banking, and mobile banking. The National Payments Corporation of India (NPCI) plays an important role in developing digital payment infrastructure.