K. P. SIVASUBRAMANIAN, J.

This appeal is directed against the order of the learned single Judge, in W.P. No. 6303 of 1999 dated July 30, 1999.

2. The appellant had sought for a writ of declaration declaring that the action of the respondent/management in unilaterally changing the service condition as illegal and contrary to the Industrial Disputes Act, 1947 (hereinafter called "the Act") and consequently, to direct the respondent not to effect any change in service conditions except by means of a settlement or an award or by giving a notice under Section 9-A of the Act. According to the petitioner/appellant, the petitioner Union was registered under the Trade Unions Act, 1926 and the respondent was a company registered under the Companies Act, 1956, involved in the manufacture of Air-conditioners, Water-Coolers, etc. The company has a service station and a godown at Madras. The company grants 12 days of national and festival holidays apart from one extra day for the year in case of extraordinary situation. This has been agreed to by the Union and the management as early as December 28, 1984 and from 1984 the management used to send the list of national and festival holida