UPI payments down in April amid outages / NPCI on 'longest' UPI outage: 'The issue was caused by...' / Paywall: UPI outage hits users across the country / UPI outage affects biz -- from groceries to holiday bookings / UPI goes down again; 'All payments failing', say users / UPI down: GPay, PhonePe, Paytm and other apps hit by outage / NPCI, banks tie up to curb fraud in UPI / Rs 25 lakh crore in a month, UPI logs new record / New UPI rules starting April 1: Here's what's changing / Cabinet okays 1,500 crore incentives to boost UPI