Judgment

DWIVEDI, J.:- M/s. Woolcombers of India Limited have their factory at Jagatdal, 21 miles from Calcutta. They shall hereafter be addressed as Woolcombers. They are the appellants in this case. The respondents are their workmen employed in the factory at Jagatdal. They are represented by two Unions: Woolcombers Workers Union and the Issac Holdens Mazdoor Union. On June 4, 1969, the West Bengal Government referred an industrial dispute between the Woolcombers and their workmen to the 6th Industrial Tribunal, Calcutta for adjudication. As many as 10 points of dispute were referred. Parties filed their written statements and produced their oral and documentary evidence. After examining the evidence, the Tribunal gave its award on September 26, 1969. All the referred points except a part of point No. 1 and point No. 7 were decided against the workmen. Point No. 7 related to the categorisation of workmen in the factory. They were catagorised into four classes: (1) highly skilled workmen, (2) skilled workmen, (3) semi-skilled workmen and (4) unskilled workmen. The finding on point No. 7 is not impugned in this appeal. A part of point No. 1 relating to the fixation of grades and sc