Gift deed or relinquish

joint  family  property can be relinquesh  any one of legal heris/ share holder. But onece property  relinquesh , the person who relinqueshed his/her right he will loose right over property.Like Gift alos

My father gift his self earned property to my step mother.  we have invested money while buying the said property by issuing cheque on the name of father.  we filed case against cancellation gift deed because  it is registerd when my father is ill (under treatment of neoro surgen )and court not given us sta que.  but my step mother with the help of her advocate daughter publish advertisement for sell property.  can we get sta que from Honble court