Regarding ancestrial property

This is regard to case of daughters daughter (me) of my grand father regarding ansestral properties which is of my great grand fathers. My grand father had an illegal relation with other women.she has two children a boy and a girl(not known they are really born to my grand father), my grand father did not used to give any money for my grand mother for livelyhood so my grand mother filed an mc case and got granted for maintence by court.my grand father died recently in 2015 ,he has tranvered one ancestral property in the name of illegal son and another on the name of illegal wife later she sold it to some one.and third property ancestral was also under their maintainance itself. So I filed a civil case for my share as directed by my lawyer is really right to ask for share or ask for our properties as we are the legal heirs , for that the lawyer told that he has shown my brother as defendant 1 and 2 my grand mother he said that I was asking share with my legal heirs but not in regard to other defendant's. He has divided the three properties into 16 equal shares and he has asked 3 such shares for me as my part is 3/16 share .I did not understand why he has done this so I had a doubt and asked him to quit from the case .so presently my case is given preliminary decree and all the defandendents were made exparte even my brother and my grand mother for this the lawyer said later they can appeal for their shares,as per the preliminary decree the first two properties were made void and all the three properties were divided into two halfs and one such half was allotted to me and I am kept in separate position so is this my final share what I will get and what about my grand mother and my brother how much will each one get as their share kindly let me know and tell me when they can enter into the case or appeal for their share,kindly help me in this regard .the details of the case are I have filed the case as plaintiff and I am the daughters daughter(me I am married) my mom died and my grand fathers son died he was un married so we are the legal heirs as per the case Defendant's are 1)my brother 2)my grand mother (alive) 3)illegal women (died) 4)illegal son 5)person who has bought one of the property 6)illegal daughter So kindly help me in this regard.