(c)a Health Officer, who shall be servants of the State Government, appointed [by the State Government] [Inserted vide Orissa Act No. 20 of 1986.] to the Municipality, [on such conditions as may be prescribed; and their work shall be subject to the general powers of supervision of the Chairperson :] [Substituted vide Orissa Act No. 16 of 1968 w.e.f. 1.8.1968.]