A person sentenced under this Act to imprisonment for a period not exceeding three months shall, when he is also dismissed from the Bengal Police Force, be imprisoned in the nearest or such other jail as the Local Government may, by general or special order, direct; but, when he is not also dismissed from that force, he may, if the convicting officer or District Magistrate so directs, be confined in the quarter-guard or such other place as the convicting officer or District Magistrate may consider suitable.