‘Jalanidhi’ project focuses on improving rural:

The correct answer is: A) Roads

Jalanidhi is a rural roads project in Tamil Nadu, India. It was launched in 2006 with the objective of improving the quality of rural roads and providing connectivity to rural areas. The project has been successful in improving the quality of rural roads and has also helped in reducing the travel time between villages.

The other options are incorrect because:

• Option B: Water supply is not the focus of the Jalanidhi project. However, the project does have a component that focuses on improving water supply in rural areas.
• Option C: Sanitation is not the focus of the Jalanidhi project. However, the project does have a component that focuses on improving sanitation in rural areas.
• Option D: Electricity is not the focus of the Jalanidhi project. However, the project does have a component that focuses on improving electricity supply in rural areas.

I hope this helps! Let me know if you have any other questions.