Section 137:
Execution of sentence of imprisonment in special cases.
Whenever, in the opinion of an
officer not below the rank of Additional Deputy Inspector-General within whose command the trial is
held, any sentence or portion of a sentence of imprisonment cannot for special reasons conveniently be
carried out in Force custody in accordance with the provisions of section 135, such officer may direct that
such sentence or portion of sentence shall be carried out by confinement in any civil prison or other fit
place.