When any person other than a person accused of a non-bailable offence is arrested or detained without warrant by an officer in charge of a police-station, or appears or is brought before a Court, and is prepared at any time while in the custody of such officer or at any stage of the proceedings before such Court to give bail, such person shall be released on bail :
Provided that such officer or Court, if he or it thinks fit, may, instead of taking bail from such person, discharge him on his executing a bond without sureties for his appearance as hereinafter provided : ^{[1] [2] [3] [4] [5]}