Section 3 (Finance) of the PFRDA Grade A syllabus, RBI Grade B (ESI & FM), and SEBI Grade A explicitly test ‘Financial Inclusion, FinTech, Digital Payments, and Alternate Sources of Finance’. India’s Digital Public Infrastructure (DPI — the ‘India Stack’) comprises three foundational layers: Identity (Aadhaar), Payments (UPI, IMPS, RuPay, AePS, Bharat Connect/BBPS), and Data…