Section 58(4)(b) in Bihar Inland Vessels Rules, 2013
(b)The maximum number of passengers that may be allowed shall be ascertained by using the divisor 0.56 for the area of deck in square meter of the saloon or cabin floor below deck. Only one saloon or cabin floor below deck. Only one saloon below deck shall be included in passenger measurement, except that where the vessel has an appropriate standard, except that case more than 250 passengers shall be allowed.