1. If your father dies intestate, then the property would devolve equally to you, father's second wife and their daughter in the ratio of 1/3rd share each.
2. Since the property is your father's self acquired property, he is at liberty to bequeath the property to anyone, including you, his second wife and/or daughter.
3. If your father has married his second wife after the death of his first wife and if your father has nominated his second wife in the official records, then second wife can claim for his pension.
4. If you convince your father to gift some of the properties in your favour by executing a registered Gift Deed during his lifetime or let your father execute a WILL bequeathing certain properties to you.