Answer : 4. "Providing affordable and high-speed internet connectivity in rural and remote areas"
Explanation :

The number of public Wi-Fi hotspots in India is close to 200,000 under the Pradhan Mantri Wi-Fi Access Network Interface (PM-WANI) scheme. Launched by the Department of Telecommunications in December 2020, PM-WANI aims to provide affordable, high-speed internet in rural and remote areas. The scheme establishes a public Wi-Fi network using Wi-Fi access points installed by Public Data Offices (PDOs), which operate on an open-architecture system, enabling multiple service providers to provide internet services.