Means misuse i.e using his position for something for which it is not intended. That abuse may be by corrupt or illegal means or otherwise than those means. M. Narayanan Nambiar v. state of Kerala.AIR 1963 SC 1116: 1963 Supp (2) SCR 724: (1963) 1 Cri LJ 186: (1963) 2 LLJ 660: 1963 Ker LT 1015 1963 Ker LJ 668.