Section 31(2)(b) in The Kandla Harbour Craft Rules, 1955
(b)in case the engines are used for propulsion as her master, person possessing a first-class master's certificate granted under the Inland Steam-vessels Act, 1917, or a master, certificate granted either under the Indian Merchant Shipping Act, 1984, or the Merchant Shipping Act, 1894 or under such regulation as the Central Government may, from time to time, prescribe.