Explanation:

- The Digital India scheme was introduced to improve online infrastructure and enhance internet connectivity.

- Its goal is to make the government more digitally savvy, and accessible to every citizen.

- The program also focuses on promoting e-governance and transforming India into a digitally empowered society.

Here's a breakdown of the options:

- Option 1: 2012 – This year is before the actual launch. It doesn't match the official start date.

- Option 2: 2019 – This is after the actual start of the program.

- Option 3: 2015 – This is the correct year when the Digital India scheme was launched.

- Option 4: 2010 – This is too early for the launch and incorrect.