Based on Hindu succession act,

Recently hon of supreme court judgement father property equal shares to legal heirs its movable or immovable property Q1) supreme court judgement from which year to applicable if they alive or deceased Q2) female legal heirs are not interested when their father is alive and mother 2nd (father made 2 nd marriage) Q3) now they are interesting on immovable property. story is one deceased father was in 1980 he got married. he has 2 baby children, after that wife was mentally disturbed nerves problem she cont take her own work also and the children are 1-2 years, father has no income that time 1974-76 time he went outside with bullock cart and get some amount then he was survive, no one care his children, he send to them her hometown many years gone, he asked to her father your daughter is mentally abnormal for my cooking home needs no one can fill up, so husband was decide to marry another one (2nd wife) with 1st wife permission and along with her father their village precedent. that time he was given 2 acre land written document to her (1st wife ) for security of children in front of village precedent 1982-83, no deed because he got registration on 1992-93 . 2nd wife have 3 male babies and they are growing cultivating of their land, in 1993 1st daughter marriage was done by father, after marriage they are well settled, 2nd daughter was growth their grand father (1st wife home town) and she got married 1996-97 then she came to her father house 2nd wife children seen it first time she is my sister, after few years 2006-2008 some amount given to his daughters and they are satisfy with that at that time he was asked about the written document please bring the document and handover to me, ok pappa we are get the paper and hand over to you they said. later on 2019 father was deceased, then no one daughter was not asked about property after expired of his father 2nd wife made virasth on her sons 2019-20 and 2nd wife also expired on 2021 then they are raising their hand on property we need the property, they are suit on property their suit is legal ? they have any right on this property ? please give me valuable feedback than you