Submitted by examrobotsa on Sat, 05/10/2014 - 20:06 Which one of the following sets of places has both sea ports and oil refineries ?Vishakhapatanam, Madras, Cochin and Bombay Calcutta, Quilon, Kandla and MadrasMarmagoa, Calicut, Vishakhapatanam and HaldiaCochin, Haldia, Cuttack and Bombaystats: 0,1752,1632,1752,176,696,760