My father died without will brfore 1977 , having ancester property, this property equally divied in in to three broyhers in 1977.
In 1983 my sister got married. In 1984 my (A First Brothers) property divided in to equal share & tranfered to wife & myself. Second brothers(B) equal shar divided & transfered to sister & himself. Third brothers (C) equal shar divided & transfered to my mother & himself.
In 2010 Sister has relinguished her name from second brothers property & mother has relinguished her name from my thired brothers property.
& in same year 2010 my sister again has filed suit in court for her share.
Kindly suggest what are the other possibilities in this case?