Property

in my opinion yes , because by vertu of last she is only legal hair of class -a cetagery

yes

whether the properties is ancestors or self acquired.

after converted her religion into Christian she will not get equal right as provision in right Hindu Succession act.

Why get into any legal debate? Any inherited property wont become subject matter of will anyways. Make a will for your self acquired property and inherited property will be governed by law of succession.

yes sir she is...