law: The Motor Vehicles Act, 1988
  82. Transfer of permit.
  
  Provided that such person 
  
  has, within thirty days of the death of the holder, informed the transport 
  
  authority which granted the permit of the death of the holder and of his own 
  
  intention to use the permit:
  Provided further that no 
  
  permit shall be so used after the date on which it would have ceased to be 
  
  effective without renewal in the hands of the deceased holder.
  Provided  that   the  
  
  transport   authority  may   entertain   an application made  after the  expiry 
  
  of the said period of three months if it  is satisfied  that the  applicant was  
  
  prevented  by  good  and sufficient cause from making an application within the 
  
  time specified.