Section 15(1)(b) in The M.P. Cattle Diseases Rules, 1961
(b)Nothing in clause (a) shall prevent the carriage of any cattle or thing through an infected area by any mechanically propelled vehicle or railways provided that if such cattle or thing, at any stage of its carriage by such vehicle or railway through an infected area, is unloaded therein, it shall not be removed therefrom save in accordance with the provisions of clause (a).