UPI and IFSC
When you choose “pay to bank account” in a UPI app you enter the account number and IFSC; the payment still settles instantly over UPI.
Guide
UPI (Unified Payments Interface) is NPCI's real-time mobile payment system. You pay to a UPI ID, phone number or QR code; IFSC is only needed when you pay directly to an account number. The usual limit is ₹1,00,000 per transaction, with higher limits for some categories.
When you choose “pay to bank account” in a UPI app you enter the account number and IFSC; the payment still settles instantly over UPI.
FAQ
Most scheduled banks. Each bank page on this site shows whether the bank is listed as UPI-enabled.