India has once again pushed back a contentious plan to limit major technology companies’ control of the nation’s digital payments system, extending a regulatory uncertainty that has weighed on the sector for years. The National Payments Corporation of India said on Tuesday it would extend the deadline for implementing a 30% cap on any individual app’s share of transactions on the Unified Payments Interface, or UPI, the country’s ubiquitous digital payments network, to December 31, 2026. The deci...