Section 200(c) in The Building And Other Construction Workers '(Regulation Of Employment And Conditions Of Service) Central Rules, 1998
(c)any tower scaffold which can be moved or castered is,-(i)constructed with due regard to the stability and, if necessary, adequately weighted at the base;(ii)used only on plain and even surface; and(iii)has casters provided with positive locking devices to hold such scaffold in position; (d) no building worker remains on board scaffold, tools, material when it is being shifted from one position to another position.