Not getting my right in ancestral property wants to claim that

My father was four brother out of which one brother recently expired.my father property is distributed among brothers not on paper.all brothers made their home including myself.i reside outside in job with family.to get a shed over head i made a home on first floor.then my brothers family also utilised that floor making one room.my parents with my elder brother family using all property.i made my home safe and smooth.gave them to use motor pump water but they used it and closed my water sewage telling u cannt flow water alongside my house.i was passing water since so many years.but intentionally wants to haraas me mentally.plz guide me full proof way to get rid of this dispute.