Power Systems
NTPC (National Thermal Power Cooperation) has its only thermal power generating unit in West Bengal at

 Bakreshwar.
 Durgapur.
 Katwa.
 Farakka.

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Power Systems
In hydroelectric power plants

 both operating and initial cost are low.
 both operating and initial cost are high.
  operating cost is low and initial cost is high.
 operating cost is high and initial cost is low.

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