Answer: 2016
Notes: Unified Payments Interface (UPI) is a system operated by the NPCI (National Payments Corporation of India), which permits multiple bank accounts to be operated in a single application. It was launched by NPCI in the year 2016. UPI is in the news recently, as it has registered 3.65 billion transactions worth Rs 6.5 trillion in the month of September 2021 alone, which is an all-time high since inception, both in terms of volume and value.
