Section 25(4)(c) in Bihar Inland Vessels Rules, 2013
(c)such candidate who has passed Matric Examination from recognized school board must have three years of service at or on Inland Waters, one year of which service must be as an Oilman or as an Assistant Driver and should have performed at least six months service on board the vessel plying in the Port/Inland Rivers of the State/candidate is appearing for the examination of 2nd Class Engine Driver.