The Department of Power in Nagaland plays a role in:

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

The Department of Power in Nagaland is responsible for the following:

• Power generation: The Department of Power is responsible for planning, developing, and implementing power generation projects in Nagaland. This includes the construction of hydroelectric power plants, solar power plants, and wind power plants.
• Transmission and distribution: The Department of Power is responsible for the transmission and distribution of electricity in Nagaland. This includes the construction and maintenance of transmission lines and distribution lines.
• Policy formulation: The Department of Power is responsible for formulating and implementing policies related to the power sector in Nagaland. This includes policies on power generation, transmission, distribution, and pricing.

The Department of Power is a vital part of the government of Nagaland. It plays a key role in ensuring that the people of Nagaland have access to reliable and affordable electricity.