Section 58(3)(d) in Bihar Inland Vessels Rules, 2013
(d)The number of passenger allowable by area shall be found by dividing by 0.36 the area in square meters of the clear space measured as above. Allowance shall be made for the crew and baggage in the area measurements (15%). The number allowable by seating shall be found by dividing the length in meter of each continuous fixed seat by 0.45.