The petitioner was initially appointed as Inspector in the year 1962. Thereafter, he was selected as Junior Technical Assistant through the Punjab Public Service Commission and appointed on 2.12.1968. He was promoted to the post of Senior Technical Assistant on ad hoc basis. He was regularised as such with effect from 26.11.1979. He earned further promotion as Junior Technical Officer with effect from 17.5.1989. It is stated that the government has fixed seniority of one Chanan Singh as Junior Technical Assistant, Senior Technical Assistant and Junior Technical Officer with effect from 20.9.1967, 8.2.1968 and 21.11.1969, respectively, vide order dated 26.4.1989 (Annexure P-1). The petitioner has made a representation for notional promotion as Senior Technical Assistant with effect from 22.11.1969, allegedly on the ground that the said vacancy was available in view of Annexure P-1 as Chanan Singh was granted promotion to