Explanation:

Section 439 of Code of Criminal Procedure – 
439. Special powers of High Court or Court of Session regarding bail. (1) A High Court or Court of Session may direct- (a) that any person accused of an offence and in custody be released on bail, and if the offence is of the nature specified in subsection (3) of section 437, may impose any condition which it considers necessary for the purposes mentioned in that sub-section; (b) that any condition imposed by a Magistrate when releasing any person on bail be set aside or modified: