law: Indian Post Office Act, 1898 
  6. Exemption from liability for loss, misdelivery, delay
  
  or damage
  The 11[Government]
  
  shall not incur any liability by reason of the loss, misdelivery or delay of,
  
  or damage to, any postal article in course of transmission by post, except in
  
  so far as such liability may in express terms be undertaken by the Central
  
  Government as hereinafter provided; and no officer of the Post Office shall
  
  incur any liability by reason of any such loss, misdelivery, delay or damage,
  
  unless he has caused the same fraudulently or by his willful act or default.