Important topics and their relevance in Upsc CSE exam for September 15, 2026. If you missed the September 14, 2026 UPSC CSE exam key from the Indian Express, read it here Govt: No bank charge on UPI payment up to Rs 2,000 Preliminary Examination: Economic and Social Development Mains Examination: General Studies III: Indian Economy and issues relating to planning, mobilization, of resources, growth, development and employment. What’s the ongoing story : The Ministry of Finance on Monday notified that banks and system providers cannot levy charges on UPI transactions of up to Rs 2,000 and RuPay debit card payments. • What Is Unified Payments Interface (UPI)? • Control of NPCI and RBI over UPI-know in detail • What is Merchant Discount Rate? • What are the key highlights from the Taxation and Other Laws (Amendment) Bill, 2026 – passed by Parliament last month? • Why Section 10A of the Payment and Settlement Systems Act, 2007 was amended? • How is transaction count different from transaction value? • What is digital public infrastructure? • How can payment incentives support merchant adoption? • Why has UPI been so successful? • Should UPI remain a public utility or move towards greater commercialization?
