Children Security Widow's Rights,Inlaws Dever Se Mantaily Tortured

I am widow 43 year old woman.Ive been married since 2002.Ive 2 children.Elder is 20 year old.my husband has died 4months ago.My parents have also died.I am only child of my parents.Ive lot of suffer after marriage in my husband house. My inlaws have taken all the gold my father gave me and sold most of it without telling me.my husband's family member wasted the money my father gave me including their own loan repayments. Now they're trying to take what's left after my father's death using my children to grab my property.when my son was little my father in law and husband tried to take him out of school. They've submitted withdrawal application but the teacher didn't let them take him.my husband died due to alchohol. But nothing has changed.I am struggling to pay my child school fee. My husband home always have a negative attitude and it has still the same.I want my children security.Ive developed a fear of my husband house due to the past experiences