SANJIV KHANNA, J.

Dr. Lakshmy Anantha Raman in this writ petition impugns the order dated 16th April, 2015 whereby the Principal Bench of the Central Administrative Tribunal (Tribunal, for short) has dismissed her Original Application No. 1379/2013 declining her prayer for retirement at the age of 65 years.

2. The petitioner had joined the third respondent-Lady Hardinge Medical College and Smt. S.K. Hospital and was appointed to the post of Demonstrator in the Department of Microbiology in 1981. At the time of recruitment, she was an M.Sc. (Medical Microbiology) with a Ph.D. (Microbiology) and had two years’ teaching experience in a medical college/institution. She was then slightly more than 28 years of age.

3. The post of Demonstrator is an isolated post and is not part of the Central Health Service.

4. The petitioner was retired when she attained the age of 60 years on 31st March, 2013. She was denied benefit of extended age of superannuation of 62 years applicable to university and college teachers, Registrars, Librarians, Physical Education personnel, Controller of Examinations, Finance Officers and such other employees, who were treated at par with teachers, vide consol