Plz help. Husband trying to sell property before divorce.

Hi Sir and Madam, I got married to my husband in 2016. He was an Australian citizen. We both lived in his big house where he and his 2 Brothers lived. Afterwards we lived in Australia for 2 months. Things didn’t work out between us. So I am living separately in my father’s house for almost 1 and 1/2 years now. He doesn’t have his parents alive. My mother in law died recently. I am contacting him and he’s not replying to any messages. His brother is not allowing me to live in the big house which actually belongs to their parents. Now my question is 1. Can I claim his share in the shared household by DV act? 2. Can I claim right to maintenance after one and half years of separation? 3. He has initiated divorce in Australia and I rejected to sign the acknowledgement. I have gone to CAW cell. Is this a good idea. 4. I heard that he is going to execute a release deed on the shared household to avoid alimony. How can he do that while he’s still married to me? 5. How do I get him to call me back to Australia?