Can widow has rights in her father in law property after remarriage

1) I married in 2002 and my husband died in 2016. My father in law made his will in my name but my mother-in-law kept those will documents in her sister custody. My Father in law received that property from his father and develops and build our home where we are living right now with my son, daughter and mother-in-law. We also getting Rent of 20 thousands form tenants on same property. 2) Now my mother in law her self wants me to get marry again and wanted to separate me from my father in law will and property, she wanted to make new will in the name of my son but property is not transferred yet in her name. 3) i do have married sister in law living to another city and she against my marriage and wanted me to take out from my home after marriage. i want to live with my children and new husband after marriage in my father-in-law house is it possible ? can my mother-in-law or sister-in-law take me out from my father-in-law house and Evicted me from property ? What will happen with my children after my remarriage will they also Evicted form my father-in-law property