Who is the actually perfect owner of land

A buy 191 decimal land 1895.A sell 3bigha to her elder sons wife ie 60 decimal out of 191decimal A have three sons the rest part of land distribution equal byllaw.but the bl&ro rceord 1st got his part and Her wife part 2nd got more then 3rd son .that was wrongdoing.1st was issue less his part obviously go to another two brothers in 1942 the propriety transfer some B. 1st son have one wife but after his wife and his deaths another one lady sell their propriety part .and 3rd sell 19 decimal.1st man ,and 2nds another wife who is not legally wife sell 172 decimal of land.in 1948 3rd man second times sell 40 decimal land to some C .now c transfar the land 40 decimal to some D in 1962 .in that time B claimed that the total land in his name. D go to court that the propriety was not right distribution. his purchased40 decimal is right in 1967 court give an order agenest b that D is right in his 40 decimal so that b is fail to give writen statment and not attendance in court pass an exparty order.b did not challange the oder In 1987 b go to the concerned authority to doing the land rceord .authority passed an order in favour of d .in2014 b file a case DM the same demend that the are actual woner so they 1st parched the land but the decree pass in favour of d Now B file a court case in 1 sub judge that claim they are total owner of the land and fast purchased .preyed to court that deed cancelation and recovary of khaas position .so what will happened pls tell me