M.K.Shanmugam & Anr vs Union Of India & Ors

The Supreme Court upheld the Central Administrative Tribunal's decision regarding the seniority of Executive Engineers, emphasizing that promotions must adhere to the statutory recruitment rules outlined in the relevant regulations. The Court clarified that promotions from Assistant Engineers Class II to Executive Engineers must be based on eight years of regular service and merit, as per the 1/3rd quota selection method. The Court affirmed the Tribunal's corrective action to revise the seniority list, ensuring compliance with previous judgments, including Direct Recruit Class II Engineering Officers' Association v. State of Maharashtra, 1990 (2) SCC 715.