Section 85(1) in Chennai City Municipal Corporation Act, 1919
(1)[In addition to the other officers appointed under sub-section (2) of section 7], the corporation establishment shall consist of the following classes of officers, namely:-Class I-A. - A health officer, an engineer, an electrical engineer, a waterworks engineer, a drainage engineer, a revenue officer, a chief accounts officer and an educational officer.Class 1-13. - Officers, who in the opinion of the council are of a status equivalent to the status of Class I-A officers appointed to serve under the corporation.Class II. - Assistants to Class I-A and Class I-I3 officers.Class III. - All other persons (not being persons holding post in a service classified by the council as a last grade service) appointed to service under the corporation.Class IV. - All persons holding posts in a service classified by the council as a last grade service.
