Section 499: Prohibition of using broken glass on the top of outer wall
The Rajasthan Prisons Rules, 2022State Rules of Rajasthan · 1894
(1) Broken glass must not be fixed on the top of the outer walls of a jail, as it affords a hold for a blanket or for cloth thrown on to the wall, and thus facilitates escape, and there shall be no cornice or projection on the top of a wall which should be rounded or sloped to an edge.
(2) At every junction of a partition wall with the outer wall of a jail, there shall be a semi-circular addition to the outer wall of sufficient dimensions to prevent a prisoner from scaling it when standing on the partition wall.