255146 In India hydroelectric power contributes approximately _____________ percent of the total electricity produced.
22%
255147 Which of the following is/are advantages of the Uni-gauge system?
All of these
255148 The trade between two countries is called.
International trade
255149 Which port of India is a tidal port?
Kandla Port.
255150 The first train steamed off from Mumbai to Thane in 1853, covered a distance of __________ km:
34 The first train covered a distance of 34km.