1) your father was absolute owner of the property as he had purchased it by sale deed from his father
2) your father is free to sell the said property to whom soever he pleases
3) you cannot have any claim on said property
4) your mother can file domestic violence case against your father .
5) she can claim right to stay in matrimonial home or alternative accommodation .
6) she can also seek maintenance from her husband .
7) your mother should seek protection order from magistrate court in Domestic violence case against her husband