Dispute about ancestral property, how can I proceed?

I Sir, My name is , My father have ancestral property and that property acquired by gov for thermal power plant. My father have 3 brother and 2 sisters, one sister is Expired long ago time. But one of my aunt asking for equal right in ancestral property, And second things My father stay with my aunt, she is telling us your father stay with me so We will not give any money to you. Is it right, but this is ancestral property. And Now My aunt and My father Have Passed Away on 19 Nov 2017. When I ask My father money that time my aunt son said that money we utilised and we will not give that money. Actually My Father not Able to spend that money < He is Got Fit that why HE is not able to do things right, And My aunt said that time when they got money , she will take interest on that money. So My Question 1) Can i get that money from my aunt son. 2) What is the procedure for that.