ONGC LTD. vs PETROLEUM COAL LABOUR UNION .

The Supreme Court upheld the decision of the Industrial Tribunal under the Industrial Disputes Act, 1947, stating that the non-regularization of workmen after 480 days of service was unjustified. The Court emphasized the applicability of Section 18(1) of the Act, which mandates adherence to settlements between employers and trade unions. The appellant, ONGC Ltd., was directed to regularize the services of the concerned workmen effective from 14.01.1990, affirming the Tribunal's award dated 26.05.1999.