Indian Post Office Act, 1898
67. Penalty for detaining mails or opening mail bag
Whoever, except under
the authority of this Act 21[or of any other Act for the time being
in force] or in obedience to the order in writing of the Central Government or
the direction of a competent Court, detains the mails or any postal article in
course of transmission by post, or on any pretence opens a mail bag in course
of transmission by post, shall be punishable with fine which may extend to two
hundred rupees :
Provided that nothing in this
section shall prevent the detention of an officer of the Post Office carrying
the mails or any postal article in course of transmission by post, on a charge
of having committed an offence declared to be cognizable by the Code of
Criminal Procedure, 189831, or any other law for the time being in
force.