Central Labour Service
The Central Labour Service (CLS) comes under Central Civil Services which is part of the Government of India. It was formed in February 1987 by amalgamating 3 bodies: Labour Officers (Central Pool), Central Industrial Relations Machinery and Welfare Organisation of the Ministry of Labour. Its main roles are to implement labour and welfare laws, and intervene in disputes with the goal of preventing strike action. . Constitution. Consequent to 1st Cadre Review in October, 2004, the Central Labour Service was constituted as an Organized Group ‘A’ Service with effect from 14.10.2004. Officers of Central Labour Service (CLS) are  recruited by Union Public Service Commission (UPSC). Consequent to 2nd Cadre Review of Central Labour Service in 2013, total sanctioned strength of CLS Officers is revised to 340 posts and distributed amongst four streams viz. Central Labour Service comprises 5 Grades, namely, Junior Time Scale (JTS), Senior Time Scale (STS), Junior Administrative Grade (JAG),Non Functional Selection Grade (NFSG), Senior Administrative Grade (SAG) and Higher Administrative Grade (HAG).