Answer : 1. "Rupay"
Explanation :

Designed and launched by the National Payments Corporation of India (NPCI).

1. UPI (Unified Payments Interface): UPI is a mobile-based payment system that allows users to transfer money from their bank accounts to any other bank account instantly and securely.

2. RuPay: RuPay is India's own payment card. It has been developed by the National Payments Corporation of India.

3. Bharat QR: Bharat QR is a standard QR code that can be used to make payments in India. It has been developed by the National Payments Corporation of India.

4. Bharat Bill Payment System (BBPS): BBPS is a bill payment system that allows users to pay electricity, water, gas and other bills from their mobile. It has been developed by the National Payments Corporation of India.