Close supervision of prisoners confined in cell: Rule628. (i) A strict watch shall be kept over all prisoners confined in cells to prevent them from committing suicide, injuring themselves or doing any other unauthorised acts. Every mental patient, suspected mental patient, or prisoner suspected of suicidal tendencies under medical observation in cells shall be carefully watched both by day and night. (ii) A prisoner sent to a cell for medical observation shall be frequently visited by the warder on duty who shall send information to the medical Officer or the junior medical officer of any change which may take place in the prisoners' condition. Cells to be kept clean: Rule629. Prisoners confined in cells shall be required to keep their cell scrupulously clean. Their bedding shall be frequently exposed to sun air. Search of prisoners in cells: Rule630. Each prisoner shall be carefully searched before being placed in a cell, and all articles likely to aid escape or suicide shall be taken away from him. The cell shall also be thoroughly searched. All cells and prisoners confined therein shall be carefully searched daily at lock-up, and oftener if necessary. Precautions to be taken with condemned prisoners admitted to cells: Rule631. When a condemned prisoner is received in a prison on transfer or otherwise and before he is placed in his cell, the Assistant Superintendent incharge of condemned prisoners shall personally see that the prisoner's shoes are taken away from him and that he is issued a pair of prison chappals. Precautions to be taken with prisoners in cells at night: Rule632. (i) The presence of every prisoner in a cell shall be ascertained at each charge of guard. In the case of sickness at night, notice shall be given by the prisoner to the warder on duty, who shall inform the patrolling officer. The patrolling officer shall have the matter reported to the junior Medical Officers. It is necessary to remove the prisoner to hospital, the Deputy Superintendentor the Assistant Superintendent on night duty will be sent for, who shall have the cell opened and the prisoner removed to hospital under his supervision and with proper safe-guards. The Superintendent and the Medical Officer shall be informed of the circumstance at their next visit. A warder on day duty shall have the custody of the keys of the cells and at night these shall be kept in the key chest in the main gate. In the case of an attempt at suicide by any prisoner, the cell shall be opened at once and the attempt frustrated. 217 .