How to vacate my brother's wife from our house?

I have a problem with my brother's wife where she is not willing to vacate from my house. Problem summary is as below: we have a combined house in 200 sq.yards(one plot is on father name, another one on my mother name) i got married in 2006 after that not staying at my hometown due to job work. And my father was expired in 2011 after that my brother got married in 2013 & she is very rude on my mother and thrown her from my house by having daily arguments. My brother started his own business in that he lost lot of money, In the same situation my brother wife and my brother fighting each other and he came out from house then he put my mother plot in loan around 2015 and not paying any emi's it went to legal notice for auction in that case i got cleared it around 18 lakhs to save it from auction. Later my mother registered her property with my sister. i got registered my father's on my name. Now the problem is she is not willing to vacate the house and even she is taking all the house rents and staying there alone by throwing us from the house. kindly help me what we can do in this situation