Correct Option
- Kothagudem Thermal Power Station is located in the Bhadradri Kothagudem district. At the time the question was asked (2005), this region was part of Andhra Pradesh. Following the state bifurcation in 2014, it is now located in Telangana.
- Raichur Thermal Power Station is a major coal-based power plant situated in Raichur district, Karnataka.
- Mettur Thermal Power Station is located in the Salem district of Tamil Nadu.
- Wanakbori Thermal Power Station is situated in the Kheda district of Gujarat.
Incorrect Options
- Options (a), (c), and (d) present incorrect pairings for one or more of the power stations and their respective states, thus deviating from the correct match of A-1, B-3, C-4, D-2.