JUDGMENT :

Talwant Singh, J.

1. The Petitioners have invoked the writ jurisdiction of this Court and have challenged the order dated 18th January, 2010 passed in Original Application (OA) no. 682/2019 and subsequent order dated 28th April, 2010 passed in Review Application (RA) no. 108/2010 passed by learned Central Administrative Tribunal (CAT) in the OA filed by the present Petitioners. The Petitioner no. 1 to 12 were stated to be working as Radiotherapy Technicians/Senior Radiotherapy technicians whereas petitioner no. 13 was working as Mouldroom Technician, the Petitioner no.14 was working as Radium Curator with Respondent no.3 Safdarjung Hospital. The post of Mouldroom Technician and Radium Curator are the promotional course from the cadre of Radiotherapy Technicians. Respondent no.1 is Union of India, represented by Secretary, Ministry of Health and Family Welfare; Respondent no.2 is the Director General of Health Services and Respondent no.3 is the Medical Superintendent, Safdarjung Hospital, New Delhi. The OA was filed praying for grant of pay scale of Rs.5,000-8,000 from