3. Killing and capture of wild elephants prohibited. No person shall kill, injure or capture, or attempt to kill, injure or capture, any wild elephant unless-
(a) in defence of himself or some other person;
(b) when such elephant is found injuring houses or cultivation, or upon, or in the immediate vicinity of, any main public road or any railway or canal; or
(c) as permitted by a license granted under this Act.