Option 1: Papanasam - Hydropower

Papanasam is correctly matched with hydropower. Hydropower refers to the generation of electricity through the use of flowing or falling water. Papanasam is a hydropower project located in Tamil Nadu, India.

Option 2: Neyveli - Hydropower

The correct answer is option 2. Neyveli is not correctly matched with hydropower. Neyveli Thermal Power Station is a thermal power plant located in Neyveli, Tamil Nadu, India. It is one of the largest lignite-fired power stations in Asia. Therefore, Neyveli should be matched with thermal power, not hydropower.

Option 3: Ukai - Thermal power

Ukai is correctly matched with thermal power. Ukai Thermal Power Station is a coal-based thermal power plant located in Gujarat, India. It generates electricity by burning coal to produce steam and drive a turbine.

Option 4: Rana Pratap Sagar - Hydropower

Rana Pratap Sagar is correctly matched with hydropower. Rana Pratap Sagar Dam is a hydroelectric power plant located in Rajasthan, India. It harnesses the power of water from