law: Official Secrets Act, 1923 
  8. Duty of giving information as to commission
  
  of offences 
  (1) It shall be the duty of every person to
  
  give on demand to a Superintendent of Police, or other police officer not below
  
  the rank of Inspector empowered, by an Inspector-General or Commissioner of
  
  Police in this behalf, or to any member of 17[the Armed Forces of the Union]
  
  engaged on guard, sentry patrol, or other similar duty, any information in his
  
  power relating to an offence or suspected offence under section 3 or under
  
  section 3 read with section 9 and, if so required, and upon tender of his
  
  reasonable expenses, to attend at such reasonable time and place as may be
  
  specified for the purposes of furnishing such information.
  (2) If any person fails to give any such
  
  information or to attend as aforesaid, he shall be punishable with imprisonment
  
  which may extend to 19[three years], or with fine, or with both.