other prisoners. Further provisions regarding separation. Rule232. Separation of the following prisoners shall, to the extent to which it can in each prison be observed, be carried into effect: (i) Undertrial prisoners who have been committed to Sessions, shall be kept separate from undertrial prisoners who have not been so committed and those who have been previously convicted shall be kept separate from those who have not beer previously convicted. (ii) Casual convicted prisoners shall be kept separate from habitual convicted prisoners. (iii) Simple imprisonment prisoners shall be kept separate from the rigorous imprisonment prisoners. (iv) Convicted prisoners who are under 16 years of age shall be kept separate from convicted prisoners who are more than 16 years of age. (v) Every habitual criminal shall, as far as possible be confined in a special prison in which only habitual criminals .are kept. The Inspector-General may, however sanction the transfer to such special prison of any prisoner not being a habitual prisoner, whom for reasons to be recorded, the Superintendent of the prison believes to be of so vicious and depraved a character: as to make his association with other casual prisoners undesirable. Prisoners so transferred shall not otherwise be subjected to the special rules affecting the habitual criminals. (vi) Political prisoners may be kept separate from each other, if deemed necessary. Exception to the Rule regarding separation. Rule233. When in any prison only one prisoner exists in any class and separation would amount to solitary confinement, such prisoner, if he so desires, be permitted to associate with prisoners of another class in such a manner so as not to infringe the provisions of section 27 of the Prisons Act, 1894. Association and segregation of prisoners. Rule234. Subject to the provisions of Rule 231, convicted 93