Section 29(2)(b) in The Cochin Harbour Craft Rules, 1947
(b)in case the engines are used for propulsion, as her master, a person possessing a first-class master's certificate granted under the Inland Steam-Vessels Act, 1917, Indian Merchant Shipping Act, 1923, or the Merchant Shipping Act, 1894 or a master's certificate granted either under the Indian Merchant Shipping Act, 1923, or under such regulations as the Central Government may, from time to time, prescribe, or the Merchant Shipping Act, 1894;