Section 29(1)(a) in The Major Port of Tuticorin (Harbour Craft) Rules, 1976
(a)As her master, a person possessing a First Class Master's certificate granted under the Inland Steam Vessel Act, 1917, (1 of 1917) or a Master's Certificate or Mat's Certificate of a Competency granted under Merchant Shipping Act, 1958 (44 of 1958) or under such Regulations as the Central Government may from time to time specify in that behalf; and