law: Sashastra Seema Bal Act, 2007 
  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.