Explanation:

Nepal will become the first country outside of India to adopt Unified Payments Interface or UPI as the payments platform in the Himalayan nation, the National Payments Corporation of India (NPCI) said. 

• NPCI International Payments Ltd (NIPL), the international arm of NPCI, has joined hands with Gateway Payments Service (GPS) and Manam InfoTech to provide the services in Nepal. GPS is the authorised payment system operator in Nepal and Manam InfoTech will deploy Unified Payments Interface (UPI) in that country. 
• The collaboration will serve the larger digital public good in Nepal and bolster interoperable real-time person-to-person (P2P) and person-to-merchant (P2M) transactions in the neighbouring country, NPCI said in a statement.

Hence option 1st is correct.