The correct answer is D. All of the above.
Raichur Thermal Power Station is a coal-fired power plant located in Raichur district, Karnataka, India. It is owned and operated by the National Thermal Power Corporation (NTPC). The plant has an installed capacity of 2,100 MW.
Bellary Thermal Power Station is a coal-fired power plant located in Bellary district, Karnataka, India. It is owned and operated by the NTPC. The plant has an installed capacity of 1,200 MW.
Yermarus Thermal Power Station is a coal-fired power plant located in Raichur district, Karnataka, India. It is owned and operated by the NTPC. The plant has an installed capacity of 1,200 MW.
These three power plants are among the largest in India. They provide electricity to the state of Karnataka and other parts of the country.