1. Your father will have absolute right to dispose off his self acquired property ,during his lifetime, in any manner he likes, including disposal of the property by way of Sale or, gifting the property to any trust or organisation or to any person, including his family members or to execute 'WILL' in favour of any person or persons.
2. In case of Ancestral Property the coparceners would acquire right over the property since their birth.
3. In case of intestate death of your father, the self acquired property would devolve equally to all his legal heirs, I.e., his present wife, you and your two half brothers and each is entitled to 1/4th share in the property.
4. During your father's lifetime, you will not have any legal claim over his self acquired property. However in case of Ancestral Property you will have absolute right to claim the same.