The appropriate Government may, without the consent of the person sentenced, commute—

   (a)  a sentence of death, for any other punishment provided by the Indian Penal Code (45 of 1860);

   (b)  a sentence of imprisonment for life, for imprisonment for a term not exceeding fourteen years or for fine;

   (c)  a sentence of rigorous imprisonment, for simple imprisonment for any term to which that person might have been sentenced, or for fine;

   (d)  a sentence of simple imprisonment, for fine.