2. In this Act, unless there is anything repugnant in the subject or context,-
(a) "measurements" include finger impressions and foot-print impressions.;
(b) "police officer" means an officer in charge of a police-station, a police officer making an investigation under Chapter XIV of the Code of Criminal Procedure, 1898, or any other police officer not below the rank of sub-inspector; and
(c) "prescribed" means prescribed by rules made under this Act.