Indiana Code Title 31. Family Law and Juvenile Law § 31-14-4-1

(1) The mother or expectant mother.

(2) A man alleging that:

(3) The mother and a man alleging that he is her child's biological father, filing jointly.

(4) The expectant mother and a man alleging that he is the biological father of her unborn child, filing jointly.

(5) A child.

(6) If paternity of a child has not been established, the department by filing an action under this article for a child who is the subject of a child in need of services proceeding.

(7) If the paternity of a child has not been established: