About our property

Sir I got married in 2013,after marriage we came to know that my in law is my husband step mother,They didn't say before marriage,after two of my marriage she started showing her different shade,started abusing bad words to me and my husband this continued for 3 months, always fightings with my in law my husband abusing bad word,then in between I became conceive and went to my mother house but fightings were continuing with my husband,she never gave any respect to me and my family,when I came back after delivery we were staying up stairs in our house but same situation continued after six months she failed a case against my in law and husband 506 and 509,from that day we came out of our mother's house from last 3years,my in law is heavy drinker,now we asking my in law to write property in to two equal parts to my brother in law and for my husband he is saying orally but he is not ready to write a will,we tried a lot to settle down the matter by bring a elders of family but my husband step mother is stopping to write the will and she is abusing valgar language to elder those who came to talk this is being repeating from last year so please help me what step I must take