Section 11(3) in The Prevention Of Cruelty To Animals (Transport Of Animals On Foot) Rules, 2001
(3)If more than one animal is to be tied adjacent to one another by a single rope during their transport on foot, the space between any two of such animals shall be minimum two feet and animals so tied shall be of similar physical condition and strength and no more than two such animals shall be tied adjacent to each other by a single rope.
