Ownership of property

We have a famiy of 4 sons and 1 daughter.The elder brother died and I am the youngest son.Recently,my father died and my middle brother is torturing us about property.He is in the job of gramin kachari sevak for more than 12 years and his wife is very toxic and always try to undervalue us.He is not living with us for more than 10 years because of the mental torture given to my father and mother.He isn't the part of our family for more than 10 years.He doesn't have a pakka makan and trying to claim our makan for himself trying to live in the pretext of reunion but his wife and him is toxic than ever and try to belittle us and our mother.the sarpanch and panchs are taking his side because he is well known in the community and also he is panchayat sevak.he never tend our parents once and his wife always giving gaalis to torture our mother and father.he is trying to take equal money from my father's savings account but he doesn't pay any single penny to the last rites of our father and panch didn't give us any compensation and also wants to enter our house to mentally torture us.he and his wife is pure evil and it makes them happy to see my family suffer.And the people in the society doesn't say anything because of his status.we two brother who lives with my mother are unemployed now.he always try sabotage our progress by restricting papers in the block office.we doesn't get any government rahat due to him .we are in the sc community.what to do in this kind of situation because he will hurt my family after I'm gone because I have to go to delhi for job seeking.i don't want to live in my house.what to do??he has the audacity after not of speaking terms with our family and sabotaging us.but I don't know about the law and what to do.Please help