( 1 ) THE Court: By this writ petition petitioner prayed that the writ in nature of mandamus be issued to the respondents to treat the petitioners as regular employees under the respondent No. 1 forthwith. In pursuance of list of seniority as published by the respondents in annexure 'a' and respondents be directed to fix the wages of the petitioners at par with the regular employees without any further delay.

( 2 ) THE petitioner No. 1 is a registered trade union under the Indian Trade Union Act and petitioner No. 2 is General Secretary of the Union and petitioner Nos. 3 to 158 are the casual/contingent workers. The respondent No. 1 has been set up by the respondent No. 4 to carry out the research work in the field of Oil and Natural Gas within the territory of India. The respondent No. 1 for the purpose of carry out the research, employed some regular employees as well as engaged the workers on casual and contingent basis. There is a rules for recruitment of the regular employees but service conditions of the petitioners who are contingent employees are regulated and governed by the Certified Standing Orders of the Oil and National Gas Commission. The case of the