The correct answer is: C. Hisar.
The Rajiv Gandhi Thermal Power Project is a coal-fired power plant located in the town of Hisar in the Indian state of Haryana. The plant has an installed capacity of 1,200 megawatts and was commissioned in 2002.
The plant is owned and operated by the National Thermal Power Corporation (NTPC). The plant uses supercritical technology and has a heat rate of 2,600 kilocalories per kilowatt-hour. The plant is fueled by coal from the Talcher coalfields in Odisha.
The plant has been criticized for its environmental impact. The plant has been accused of causing air pollution and water pollution. The plant has also been accused of displacing people from their homes.
Despite the criticism, the Rajiv Gandhi Thermal Power Project is an important source of electricity for the Indian grid. The plant provides electricity to the states of Haryana, Punjab, Rajasthan, and Delhi.
The other options are incorrect.
Option A: Yamunanagar is a district in the Indian state of Haryana. The Rajiv Gandhi Thermal Power Project is not located in Yamunanagar.
Option B: Faridabad is a district in the Indian state of Haryana. The Rajiv Gandhi Thermal Power Project is not located in Faridabad.
Option D: Sirsa is a district in the Indian state of Haryana. The Rajiv Gandhi Thermal Power Project is not located in Sirsa.