Fintech Deep Dive — Monday | September 28, 2026
Fintech Deep Dive — Monday | September 28, 2026 Last week this column treated Global Fintech Fest follow-through as the story. This week the story has a deadline attached: October 15, the day the UPI MDR framework goes live, is now seventeen days out, and the Sept 21–28 window was when India’s payment ecosystem stopped arguing about whether the fee exists and started building for it. Circular OC-237 turned out to be not a fee but a lookup table — sector, instrument, threshold, mandate-type — and every payment gateway, TPAP, acquirer, broker, and AMC in the country now has to encode it. Meanwhile, two quieter infrastructure stories shipped: NPCI’s BHIM app grew a conversational AI support layer that pointedly cannot touch money, and Upstox imported US equity market access over a broker API instead of building it. The through-line: the rail’s next phase is less about new rails, more about new logic running on the existing ones. ...