Explanation:

All statements are correct.

Global Digital Public Infrastructure Repository (GDPIR)

• Recently Prime Minister Shri Narendra Modi announced that the Global Digital Public Infrastructure Repository, a virtual repository of DPIs will be put to use soon.

• The Global Digital Public Infrastructure Repository is an initiative of the Indian G20 Presidency.

• The GDPIR is designed to be a resource for key lessons and knowledge available from G20 members and guest countries, enabling easy discoverability.

• It is aimed at addressing the existing knowledge gap around the right practices to design, build, and deploy population scale DPI (Digital public infrastructure).

• The repository will include a stack of applications, which countries can use, customise or modify, according to their jurisdictions.

The Global DPIS in India include: Aadhar; United payment interface (UPI); Digilocker; UMANG (Unified Mobile Application for New-age Governance); eSanjeevani; API Setu; Co-WIN platform; Government e Marketplace (GeM); DIKSHA (Digital Infrastructure For Knowledge Sharing); e-Hospital platform; Poshan Tracker and Ayushman Bharat Digital Mission

• Digital Public Infrastructure – Is a set of shared digital systems that should be secure and interoperable, and can be built on open standards and specifications.

• It aims to deliver and provide equitable access to public or private services at societal scale.

• It is a critical enabler of digital transformation and is helping to improve public service delivery at scale.

Hence option 4th is correct.