You have posted in many threads and knowledgable comments.
Pls post the detail of the said judgment.
It is felt that the property obtained from husband might have become her absoloute property.
https://www.lawyersclubindia.com/forum/What-is-ancestor-property--129214.asp
https://www.lawyersclubindia.com/forum/details.asp?mod_id=129168&offset=1
https://www.lawyersclubindia.com/forum/Settlement-deed-130570.asp
https://www.lawyersclubindia.com/forum/details.asp?mod_id=131028&offset=1
(We can give the gift within blood relation. Gift or settlement can not be revoked once done?
In following conditions we can revoke gift or settlement only in civil court.
1. undo influence or fraud or miss representation ( must be proved in court)
2. As per 2007 senior citizens act, senior citizen can revoke gift or settlement ourside the court also.
)
https://www.lawyersclubindia.com/forum/details.asp?mod_id=132198&offset=0
(Your grandfather's sister does not have any right as per your descriptttion.
This is with reference to latest Supreme Court civil appeal no 7217 of 2013.
Father and daughter must be alive by 2015 then only daughter will get right on father's property. As you mentioned your grand father expired in 1989. So your Aunt and her successors doesnot get right in the property.
)
https://www.lawyersclubindia.com/forum/details.asp?mod_id=129671&offset=1