Torcher by my own mother and my nani.

My father died 10yrs before.before he was alive I didn't use to have problems.my father was an adopted child of well known politician BHOLA PASWAN SHASTRI former CHIEF minister of BIHAR and freedom fighter.my father has two wives.after his death family had lots of problems specially my family the other wife is totally wrong and their children too so I create no connection to them.after 3yrs of my father's death my mother's brother too died .The other wife of my father does not bothers.while we have short family problems went on increasing.the higher castes Brahmin Rajput etc started dominating us.they took our plot of land cases are going on.I had my little sister who went married at age of 14yrs by a Brahmin boy helped by neighbours and town peoples.After death of my father two new peoples were introduced inside my house my the other wife of my father 1.raj Kiran 2.rudal paswan. both were not good they in and I was out.my mother too went in favour of them.we are all dalits family but my nani is adivasi.besides this all problems my career went down from 10th onwards my mother does not want to provide money to my studies neither wants to give food.I'm now 23yrs old I was doing my engg during 2012-16 studied for 3yrs and left she's not providing money neither food nor cloth and now I'm at nani house her sisters and brother family too torching me too leave and go begging somewhere they eat food but does not asks to me.they say that better you die or we'll kill you. I'VE no career no job no money what shall I do.neither my mother gives nor my nani lets provide me anything no bikes no laptops nothing except one mobile.IN such case of my steps should be taken there's no one to help only troubling peoples.please help.....