Here is substance of the law regarding Indiana's stance on defending one's self from unlawful intrusion and police.
"(i) A person is justified in using reasonable force against a public servant if the person reasonably believes the force is necessary to:
(1) protect the person or a third person from what the person reasonably believes to be the imminent use of unlawful force;
(2) prevent or terminate the public servant’s unlawful entry of or attack on the person’s dwelling, curtilage, or occupied motor vehicle; or
(3) prevent or terminate the public servant’s unlawful trespass on or criminal interference with property lawfully in the person’s possession, lawfully in possession of a member of the person’s immediate family, or belonging to a person whose property the person has authority to protect"