But such Magistrate shall be restrained within the limits of his jurisdiction under the Code of Criminal Procedure, 1898 as to the amount of fine or imprisonment he may inflict.

Penalty for subsequent offence Whoever, having been convicted of an offence punishable under section 3 or section 4 of this Act, shall again be guilty of any offence punishable under either of such sections shall be subject for every such subsequent offence to double the amount of punishment to which he would have been liable for the first commission of an offence of the same description.