Section 181(4) in The Chhattisgarh Motor Vehicles Rules, 1994
(4)Each such chock shall be linked with the tailboard or where the vehicle has no tailboard with the wooden planks above the frame side members by means of a metal chain or steel wire rope of sufficient length and strength fastened to the hook in the chock and the hook in the tailboard or the wooden planks as the case may be.
