This writ petition on behalf of four petitioners has been tiled for regularisation of their services on the posts of SUPW - teacher, TGT Math. teacher, TGT Sanskrit teacher and Drawing teacher respectively. All of them were appointed for a period of 179 days or till a regular incumbent to the post joins, whichever is earlier. Petitioner no. 1 was appointed on 12.11.92, while the other three petitioners were appointed on 18.8.92. The posts were advertised through the local employment exchange. The petitioners applied and were called for interview under letters dated 25.7.92. After interview, they were appointed on ad hoc basis in the manner stated above.

2. It is not in dispute that the rules governing Kendriya Vidyalaya Sangathan envisage different types of appointment including regular, ad hoc and part-time (contractual). According to respondents, regular appointments arc made by the Assistant Com missioners of the Regions on the basis of All India Advertisement. This is admitted in paragraph 15 of the writ petition. According to respondents further, unlined vacancies, due to non-availability of the regular appointees, are filled up by making appointments either on ad hoc basi