51. (1) In the punishment-book prescribed in section 12 there shall be recorded, in respect of every punishment inflicted, the prisoner's name, register number and the class (whether habitual or not ) to which he belongs, the prison-offence of which he was guilty, the date on which such prison-offence was committed, the number of previous prison-offences recorded against the prisoner, and the date of his last prison-offence, the punishment awarded, and the date of infliction.(2) In the case of every serious prison-offence, the names of the witnesses proving the offence shall be recorded, and, in the case of offences for which whipping is awarded, the Superintendent shall record the substance of the evidence of the witnesses, the defence of the prisoner, and the finding with the reasons therefor.(3) Against the entries relating to each punishment the Jailer and Superintendent shall affix their initials as evidence of the correctness of the entries.