Lost my father and I don't about my ancestoral property in bihar madhubani! Need your help

I live in Delhi since childhood, used to occasionally visit Bihar. Lost my father due to covid. Never thought I had to worry about things like land papers. Don't have father or grand father, only uncles whom I don't trust. I'm 24 Currently a student, how should I approach this? No body in my village knows me, know my uncles. Behaviour of relatives has changed, they'll probably take what they can. I have few agriculture lands, and house. Don't have any papers. Neither any connection in my village or bihar.