Mutual divorce petitions dismiss

Hello sir, Me and my husband is leaving seprately from past 3 years. He is having extra marital affair with a married woman. We had file for mutual divorce in 2015 and in that terms we're mentioned as we Have a 2bhk flats that we will sell and share half each and he had taken home loan we will share half and also hehas taken 2.50 lacs from my mother which he will pay from his share. I had not ask for alimony or maintenance. But he refuse to sell the house and he did not pay any money for my son education. Now my son is 20 years old . so i refuse to give him divorce. 3 and half years I have started working as receptionist. My mother and my brother they help me monetarily. Since he refuse to sell the house I refuse to give him divorce. Now again in August 2017 he ask for divorce. He threaten me that if I don't give him he would commit suicide and blame my mother and brothers. He actually had put petrol on him at our home and also he came to my office saying that he will pour petrol and commit suicid. I had made nc against him in the police station. Also I was asked to come to our area police statio because my sistet in law had sopken to the senior police inspector. In police station we both verbly agreed that he will give power of attorney in my son's name of his share In the house. But I asked him to make a releas deed in favour of my son which he agreed and I agree for divorce. But after six months resting period we had to go to court. Just one week before the court date my husband called me and said that he does not want to give me divorce nor he is ready to make a releas deed in my son's favour . In this 3 years he just have 30 - 35 thousand for my son out of which 20 thousand was his fees. He doesn't pay any thing apart from this he is paying emi for the house but he is not giving me the keys and also he removed all the furniture. He has also book 1 bhk house in khapoli. He is staying in a rented flat with another marriedwoman. And he tell me that he does not have money to support my son .I have said to the court about the same and asked for relife. but since my husband didn't want to give me divorce the court has fined him because he didn't attend the court. I want to know what should i do or go ahead should i apply for fresh divorce from my end and ask for maintenance and alimony.Please help. .......