Property issue

My mother is the only girl child at her home with two brothers she is the elder one,long back we came and settle here at mothers place as no one was to take of of my grandmother as she was ion coma for few months. from then we are settled here at moms place ,my grandfather has built a home saying everyone,including all the advocates and out town people that this home he is giving for her daughter as thery have done alot for them. now the situation has come that they are not at all allowing us to stay here daily they are torchering us by telling my mom that they will not allow me to get marry,or will ask someone to rape me,they will do murder if we go to court,one lawyer by name umakant warad he is from bhalki he has come directly to my home and told my mom that they will do murder if we dnt leave the house.and nobody is taking our case as senior lawyers are putting pressure on junior lawyers to not to take our case. we are helpless already we are in loan burden..somehow i am becoming backbone for my dad.but putting such alligation on my mother and telling my father that he tried to rape his wife(moms brothers wife) making my dad upset and he is getting into depression. i stay at banglore wokring and my brother is oing to get in to engineering not getting whom to reach out.please help us.we are badly in need of it as these 3 lawyers are very good at telling lies and ctreating dramas.