Subterfuge (noun): Deceit someone to achieve  goal. (छल )

Synonyms: Chicanery, Artifice, Stratagem, Deception

Antonyms: Candor, Directness, Forthrightness

Example: It was clear that she must have obtained the secret of project by subterfuge.

Uses:Most significantly, the Convention made state parties to undertake that “no exceptional circumstances whatsoever” will be “invoked to justify torture, including war, threat of war, internal political instability, public emergency, terrorist acts, violent crime, or any form of armed conflict”.
In other words, it foresaw every possible subterfuge and subversion by states.