A scheme known as Multi Purpose Health Scheme was introduced in the State of Tamil Nadu, way back in 1982 under G.O.Ms.No.1936 dated 29.9.1982. For implementation of the Scheme, various posts of multi purpose health workers were created. In order to regulate the terms and conditions of their services, the Government issued G.O.Ms.No.1507 Health & Family Welfare Department dated 16.8.1989, prescribing the method of appointment, appointing authority, qualifications, pay, etc., for the posts of Multi Purpose Health Assistant, Multi Purpose Health Workers (Female), Multi Purpose Health Supervisors and Sector Health Nurse. Under the aforesaid Rules, issued in exercise of the power conferred by the Proviso to Article 309, the post of Multi Purpose Health Assistant was to constitute a distinct category in Class II and the other three posts are to constitute distinct categories in Class I of the Tamil Nadu Health Subordinate Service.