Section 102(2)(ii) in The Punjab Motor Vehicles Rules, 1989
(ii)not carry more than four with calves or young ones or five without calves or young ones, in the case of animals other than those referred to in clause (i) when the wheel base is below 3.6 metres and not carry more than five with calves or young ones or six without calves or young ones when the wheel base of such vehicle is 3.6 metres or above; and