V. BALASUBRAMANIAM ETC. ETC vs TAMIL.NADU HOUSING BOARD & ORS ETC. ETC.

The Supreme Court examined the validity of promotions from Junior Engineers to Assistant Engineers under the Tamil Nadu State Housing Board Act, 1961, specifically sections 17 and 19. The Court held that the memorandum dated 26.2.1971, which amended the qualifying service from 3 years to 5 years, was a valid modification and not merely an erratum. Consequently, the promotions made contrary to the prescribed regulations were deemed invalid, affirming the necessity of adherence to the established service conditions.