( 1 ) THE petitioners in this group of petitions except the petitioner in Special Civil Application No. 1305 of 1987 who were employed temporarily for specified period or periods as contingent work-charged unskilled labourers by the On and Natural Gas Commission (Commission for short ). have filed these petitions praying that the Commission be directed to desist from terminating their services on expiry of their period of employment. Petitioner in Special Civil Application No. 1305 of 1987 was employed as contingent work-charged labourer for a specified period.

( 2 ) THE petitioners except the petitioners in Special Civil Applications Nos. 227 282 383 1305 and 3549 of 1987 were employed a contingent work-changed unskilled labourers for specified period of 90 days. In other words each of these petitioners was employed for a period of 90 days. So far as petitioner No 1 in Special Civil Application No. 227 of 1987 is concerned his contention is that besides his employment for a period of 90 days from November 1 198 6/01/1987 he was employed for three months by the Combination in 1981 also. Petitioner No. 2 in the said Special Civil Application No. 227 of 1987 claims th