Procedure for division of ancestral property

Mere dada ji k dwara 36 year purv banaya gaya ghar (15×40sq.ft)hai,ghar k just peeche mere chote dada ji ka bhi plot hai jo ki dada ji ne apna makaan banwane k poorv unke hisse ka plot (20×40) aapsi rajamandi se batwara kar k de diya tha. chote dada ne apne hisse k pushtaini plot par koi construction ni karwaya balki usi plot k just peeche ek 20×50sq.ft. ka ek plot kareed kar usme apne ghar ka nirmaan karwa liya.sir bhulekh dept k record me abhi humari pushtaini jameen k khasre me dadaji k pitaji ka naam mention hai aur dadaji ne batware aur Ghar banwane k baad bhi apne naam registered nii karwaya tha,mere Dada ji ki death 10 year pahle ho chuki hai aur unka death certificate hai.dadi abhi jeevit hh aur dada k Ghar ka last 36 year ka tax,36 year purani makaan ki no.plate ki receipt,electricity/waterbill(sabhi me dada ka naam hh).humar pariwar k members ka naam bhi ration card me hh,sir humare pitaji property (ghar) apne naam par kaise registered karwayein??