Section 126(1) in The Bihar Motor Vehicles Rules, 1992
(1)No cattle shall be carried in a goods carriage in a public place unless-(i)in case of goats, deer or pigs-(a)a minimum floor space of 0.19 square meter per head of such cattle is provided in the vehicle;(b)proper arrangements for ventilation, and protection from weather are made.(ii)in the case of any other cattle-(a)minimum floor space of 2 meters 1 meter per head of cattle and half of such floor space for a young one or cattle which is weaned is provided in the vehicle;(b)the load body of the vehicle is constructed of strong wooden planks or of iron sheets with a minimum height of 1.5 meter measured from the floor of the vehicle on all sides and the back;(c)floor battens are provided to prevent slipping of hoofs;(d)every projection likely to cause suffering to an animal is removed; and(e)the cattle are properly secured by ropes tied to the sides of the vehicle.