2nd marriage and not supporting children

I am a working women in jharkhand .In 1994 i got married and i have 2 children one is 20(1998) year old and another is 23 (1995)year old .. in the binging of my marriage life it was really good bt slow slow it was becoming terable .. my mother in law and my father in law was interfering in ever matter of our personal life and my husband want to me to give him all my money which i hv earning...for some year thing are going as usually ever day there way shouting, fighting (physical)and screaming. .. even when we(i and my husband) shifted to jharkhand (ranchi) from bihar (bihar)...in 2006 my husband was shifted to patna leaving me and my children alone in ranchi and then after he went to delhi for job ... In delhi he got in affair with his one relative daughter.. after that he has not told me about that women for sevral years then in 2010 i came to know about that women through some mean then then i hv filed a complain and send a notice to my husband ,his mother and father.he is also having a son with that women now he and his parents are not supporting us financially how could i bear the load of study for both of my children . my husband and his family also giving the property to illegal son ..my both children are now adult and i am not abel to provide them proper education to them .. help me with that plz