Unilateral unlawful partition of my deceased father's land

I ,Pradip talukder,am son ofLate Himangshu Talukder's whose land is of .08 acre. Date of death iof Himanshu Talukder [deleted]. Puspa talukder,wife; Pradip Talukder,son; Jaydev Talukder,son .Sipra talukder, widow o f Dipak Talukder,son and three daughters Sudip Talukder, grandson (son of late D ipak and sipra). Who are the legal heirs. One year back Jaydev ,Puspa and one daughter Pratima Das went to O/o Addl. District Subregistrar, Guma, North 24 parganas, west Bengal and got registered .03 acre of land in the name Jyotsna Talukder, wife of Jayev Talukder. Without consent ofall heirs it was done and kept secret . A few days back only it was disclosed my old mother who was misled to go ADSR.. How this is legal. What we will do . jaydev has taken more than his sharein the name of his wife .and front portion , of the land. This transfer has been done by gift from puspa, pratima,jaydev . How without consent of legal heirs it was possible or legal.What I pradip talukder should do. How land in this case should have been distributed.