you can file petition under section 125 cr pc and seek maintenance for your self and 2 daughters
2) you can also file DV case and seek alternative accommodation from husband , maintenance for 2 daughters , injunction restraining husband from selling the land
3) in your complaint under DV act narrate the various incidents that forced you to vacate your matrimonial house
4) your testimony and that of your parents will help you in making out a case . you can also rely upon various chat messages exchanged with husband
5) if you cant afford legal fees contact district legal aid center for assistance in filing DV case / 125 Cr pc complaint
6) DV case would take around 5 years . litigation fees vary depending upon lawyer engaged by you