( 1 ) THE present petition is directed against the respondents, Delhi Electric Supply Undertaking (for short d. E. S. U. ) for issuance of a writ of mandamus to promote the petitioner to the post of Additional General Manager with effect from August 31, 1994 and quash the promotion of respondent No. 5 to the same post.

( 2 ) THE petitioner is a Chief Engineer (Electrical) with D. E. S. U. having joined as Assistant Engineer in the year 1962. The petitioner was thereafter promoted to the post of Executive Engineer in 1970, Superintending Engineer in 1981, Additional Chief Engineer in 1988 and Chief Engineer on regular basis in 1991. The organisation D. E. S. U. is headed by General Manager and has two Additional General Managers i. e. Additional General Manager (Technical-Distribution) and Additional General Manager (Technical-Generation) besides Administration. It is alleged that in August, 1994 there occurred a vacancy in DESU to the post of Additional General Manager (T-D ). Since this post is a promotion post, it is required to be filled by holding a regular DPC and after obtaining Vigilance and Disciplinary clearances of the candidates as per the rules. The pe