HIMURJA works in the field of

The other options are incorrect because:

• B. Power sector is a broad term that covers a wide range of activities, including the generation, transmission, and distribution of electricity. HIMURJA is a research station that focuses on a specific aspect of the power sector, namely renewable energy.
• C. Afforestation is the process of planting trees in an area where there were previously no trees. HIMURJA is a research station that focuses on a different aspect of the environment, namely renewable energy.
• D. Smart cities are cities that use information and communication technologies (ICT) to improve the quality of life for their citizens. HIMURJA is a research station that focuses on a different aspect of technology, namely renewable energy.