In laws want us to leave their house and alsi give maintainance to them

Hello sir, My mother in law is very toxic and manipulative.. we are living in same house which is in her name... My husband spent lakhs of rupees to build this house before our marriage.. My husband is only son and they have one daughter (married).. After lots of fight we shifted to another floor same house as father in law abused us and raised hand we shifted after building new seperate kitchen.. now she calling all relatives to say bad about us daily even by calling neighbour and ex servant.. mother in law asking relatives to call us and tell us to leave this house. She is showing herself as victim , my mother in law has 5 sisters and 1 daughter who visit frequently and are compelling us to behave as they say.. she is that much clever she behave innocent at front of relatives and abuse us when they leave.. we are not talking to i laws. I am stopping her to interfere in our lives.. she want to talk to my husband only to ask for money daily when i am at my office.. my mother in law was principal in private school till 2020 worked for almost 30 years.. since my marriage i am looking my husband is spending all money in house and she is saving her money and spending on herself for luxuries.. NOW SHE IS ASKING US TO LEAVE HER HOUSE AND GIVE MAINTAINANCE..i want to know can she throw us out of her house and still ask us for maintainance.. if yes then how much maintainance we have ti give maximum.. and if we are ready to give all basic needs to in laws.. is it mandatory to give money also