Unfair trade practices, fraud, and false promises

Hi, I have lived in Bhawana PG for a year and left on 06-09-2024. They are to return my deposit which they are declining saying I am not in the position as I cleared my dues for the 6 days of September after leaving the PG. They were initially saying that I’ll get it there’s a delay but it’s January and now there are just giving excuses. That I don’t have the deposit receipt, I left the PG. There isn’t even a rental agreement. Just a piece of paper with house rules with my signature with them.