Arunachal Pradesh can export surplus power to neighboring states and countries, contributing to:

The correct answer is: d) All of the above.

Arunachal Pradesh has a huge potential for hydropower generation. The state has an estimated hydropower potential of 50,000 MW, of which only about 1,000 MW has been harnessed so far. The state can export surplus power to neighboring states and countries, contributing to regional energy security. The revenue generated from the export of power can be used for the development of the state. The development of the state will lead to economic growth and prosperity.

Here is a brief explanation of each option:

• Option (a): Regional energy security. Arunachal Pradesh can export surplus power to neighboring states and countries, which will help to meet their energy needs. This will contribute to regional energy security.
• Option (b): Revenue generation. The revenue generated from the export of power can be used for the development of the state. This will include infrastructure development, education, healthcare, and other social welfare programs.
• Option (c): Economic development. The development of the state will lead to economic growth and prosperity. This will create jobs and opportunities for the people of the state.