law: Hindu Succession Act, 1956
  24. Certain widows remarrying may not inherit as widows
  Any heir who is related to an intestate as the widow of a
  
  pre-deceased son, the widow of a pre-deceased son of a pre-deceased son or the
  
  widow of a brother shall not be entitled to succeed to the property of the
  
  intestate as such widow, if on the date the succession opens, she has re-married.