Unified Payment Interface (UPI)

• It is an instant real-time payment system, allowing users to transfer money on a real-time basis, across multiple bank accounts without revealing details of one’s bank account to the other party, using a single application.
• UPI is an indigenous payment system which works with the help of a smartphone.
• UPI was developed by National Payment Corporation of India (NPCI) under the guidelines of RBI. UPI is based on the Immediate Payment Service (IMPS) platform. NPCI launched UPI with 21 member banks in 2016.
• The top UPI apps today include PhonePe, Paytm, Google Pay, Amazon Pay and BHIM, the latter being the Government offering.
• The per transaction limit of UPI is Rs.1 lakh.
• As part of an agreement, India's UPI will be linked to Singapore's Pay Now.

National Payments Corporation of India

National Payments Corporation of India (NPCI), an umbrella organisation for operating retail payments and settlement systems in India, is an initiative of Reserve Bank of India (RBI) and Indian Banks’ Association (IBA) under the provisions of the Payment and Settlement Systems Act, 2007.

It is a “Not for Profit” Company under the provisions of Section 25 of Companies Act 1956 (now Section 8 of Companies Act 2013), with an intention to provide infrastructure to the entire Banking system in India for physical as well as electronic payment and settlement systems.

List of other NPCI Products - 

• Bharat Interface for Money-Unified Payments Interface (BHIM-UPI)
• Aadhaar enabled Payment System (AePS)
• National Electronic Toll Collection (NETC)
• National Automated Clearing House (NACH)
• Immediate Payment Service (IMPS)
• Bharat Bill Payment System (BBPS)
• RuPay

RBI Regulatory Sandbox

The Regulatory Sandbox(RS) usually refers to live testing of new products or services in a controlled/test regulatory environment for which regulators may (or may not) permit certain regulatory relaxations for the limited purpose of the testing. The RS allows the regulator, the innovators, the financial service providers (as potential deployers of the technology) and the customers (as final users) to conduct field tests to collect evidence on the benefits and risks of new financial innovations, while carefully monitoring and containing their risks. It can provide a structured avenue for the regulator to engage with the ecosystem and to develop innovation-enabling or innovation-responsive regulations that facilitate delivery of relevant, low-cost financial products. The RS is an important tool which enables more dynamic, evidence-based regulatory environments which learn from, and evolve with, emerging technologies.

Objectives

• The objective of the RS is to foster responsible innovation in financial services, promote efficiency and bring benefit to consumers.
• The RS is, at its core, a formal regulatory programme for market participants to test new products, services or business models with customers in a live environment, subject to certain safeguards and oversight. 
• The proposed financial service to be launched under the RS should include new or emerging technology, or use of existing technology in an innovative way and should address a problem and bring benefits to consumers.

On Device Wallet

On Device Wallet or mobile wallet is a virtual wallet that stores payment card information on a mobile device. These are a convenient way for a user to make in-store payments and can be used at merchants listed with the mobile wallet service provider. Eg - Apple Wallet, Samsung Pay