Whoever, being a police officer,—
(a) violates or neglects to obey any legal provision, procedure, rule or regulation applicable to members of the police force under this Act; or
(b) pretending to have illness or pretends to have illness or injury or voluntarily hurts himself with a view to evade from duty; or
(c) acts in any other manner unbecoming of a police officer; or
(d) is guilty of cowardice, shall, on conviction, be punished with imprisonment for a term which may extend to three months or with fine or with both: