Ancestral property divided can we claim on house made by father

Mere Dadaji ke ek Paitruk Property he oh 2 Plot he,Ek Plot khali he or Dusre plot pe ghar he,To Mere Dadaji ne khali Plot mere Papake nam kie thhe lekin Abhi oh jis Plot pe ghar he usko oh Mere chacha ke nam Regestry kardie he,Lekin Oh ghar Mere Papa ne Banwaye thhe,Jab oh ghar banathha tab chacha 10-15year ke thhe So Ghar bananeke sare kharche papa ne kie thhe,Mera Sawal eh he ki Mere Pitaji or chacha me Property to Divide ho gaya Lekin Mere Papa jo ghar kie thhe usme to hamara hak he so ham legally hamare gharko kese Pasakte he?Abhi mere Papa ki death hogaya he lekin ghar mere Papa ne banwaye thhe uske Witness Hamare Sare Padosi he,So ham chacha ko kahe ki Tum hame Gharke lie Paise ya Hamare Plot pe ghar banake dedo lekin oh inkar karrehe he So koi legaly way he ghar paneke lie?