Under section 107 of the Indian Penal Code, a person abets the doing of a thing, who
First: Instigates any person to do that thing; or
Second: Engages with one or more persons in any conspiracy for the doing of that thing if an act or illegal omission takes place in pursuance of that conspiracy and in order to the doing of that thing; or
Third: Intentionally aids, by any act or illegal omission, the doing of that thing.