Law and order represents the largest circle within which is the next circle representing public order and the smallest circle represents security of State. It is then easy to see that an Act may affect law and order but not public order, just as an act may affect public order but not security of the State.

He explained the intricate relationship of the concepts of law and order, public order and the security of the State, in a particular case. - Full Court Reference in Memory of The Late Justice M. Hidayatullah