Super thermal power station

Columns: Sr. No | Power Plant | State | Operator | Capacity
15 | Neyveli Thermal Power Station II | Tamil Nadu | Neyevelli Lignite Corp. Limited | 1,470 MW | 16 | Vallur Thermal Power Project | Tamil Nadu | NTPC Tamil Nadu Energy | 1,500 MW | 17 | Kahalgaon Super Thermal Power Station | Bihar | NTPC | 2,340 MW | 18 | Dr Narla Tata Rao Thermal Power Station | Andhra pradesh | Andhra Pradesh Power Generation Corporation | 1,760 MW | 19 | NTPC Ramagundam | Telangana | NTPC | 2,600 MW | 20 | Simhadri Super Thermal Power Plant | Andhra Pradesh | NTPC | 2,000 MW

Example questions:
What is the acronym of the operator of the super thermal power plant located in Sarni Town ? | What is the capital and largest city in the state with the super thermal power plant situated near the lignite mines of Neyveli ? | How long is the state 's coastline in kilometers where the operator of the super thermal plant is the largest mining and non-ferrous metals company in India ? | Where is the coal sourced from for the super thermal plant whose operator is a subsidiary of Vedanta Resources PLC ?

Answers:
RVUNL | Chennai | 485 | Ib Valley Coalfield