Section 5(e) in Tamil Nadu Municipal Engineering Service Rules, 1997
(e)The ratio of appointment of Assistant Engineer by direct recruitment and Junior Engineer by promotion shall be 3: 1. The category Assistant/Junior Engineer in the Municipalities shall be taken as a whole for fixing the strength and the total vacancies arising in a particular year shall be filled upon by direct recruitment of Assistant Engineer and by promotion as Junior Engineer from the post of Overseer/Draughtsman in the ratio of 3:1.
