S. NAGAMUTHU, J.

Since common issues are involved in all these Writ Appeals, they were heard together and they are disposed of by means of this Common Judgment.

.2. Challenging the common Order of the Writ Court, quashing the Government Order issued in G.O.Ms.No.335, Health and Family Welfare (EAP 1/2) Department, dated 110. 2008, the official respondents in the Writ Petitions have come up with W.A.(MD)Nos.446 to 461 of 2009. The appellant in W.A.(MD.No.224 of 2009 has got himself impleaded before the Writ Court in W.P. (MD).No.10495 of 2009. Challenging the very same common Order, he has come up with the said Writ Appeal.

3. The Writ Petitioners claim that they have got basic qualification for being appointed as Lab Assistants in the Health and Family Welfare Department. Admittedly, they have registered their names with the local Employment Exchange. During the year 1998, there were total number of 413 vacancies, out of which, the Director of Public Health and Preventive Medicine, Chennai, notified 171 vacancies to the local Employment Exchange. In response to the said notification, the Commissioner of Employment and Training Department, Guindy, Chennai, sponsored 129