As many as 2.3 billion transactions worth Rs 4.2 trillion were recorded through Unified Payment Interface in the month of January this year, NITI Aayog CEO Amitabh Kant said yesterday.<br />''  <br />'' The Unified Payment Interface recorded 2.3 billion transactions worth Rs 4.3 trillion rupees in January 2021. On a Year-on-year basis, The Unified Payment Interface's transaction value jumped 76.5 per cent; while transaction value jumped nearly 100 per cent. First one billion UPI transactions per month took 3 years to cross but the next billion had come in less than a year.<br />''  <br />'' UPI is a common system that powers multiple bank accounts into a mobile application, merging several banking features, seamless fund routing and merchant payments. <br />''  <br />