law: Railways Act, 1989
  116. Powers of Commissioner in relation to inquiry. 
  (1) For the purpose of conducting, an inquiry under this Chapter
  
  into the, causes of any accident on a railway, the Commissioner shall, in addition
  
  to the powers specified in section 7, have the powers as are vested in a civil
  
  court while trying a suit under the Code of Civil Procedure, 1908 (5 of 1908),
  
  in respect of the following matters, namely:- 
  (a) summoning and enforcing the attendance of
  
  persons and examining them on oath ;
  (b) requiring the discovery and production of
  
  documents;
  (c) receiving evidence on affidavits;
  (d) requisitioning any public record or copies
  
  thereof from any court or office;
  (e) any other matter which may be prescribed.
  (2) The Commissioner while conducting an inquiry under this
  
  Chapter shall be deemed to be a Civil Court for the purposes of section 195 and
  
  Chapter XXVI of the Code of Criminal Procedure, 1973 (2 of 1974).