CHAGLA, C.J. :- This is a petition challenging two decisions of the Labour Appellate Tribunal on the ground that they had failed to exercise jurisdiction vested in the Tribunal under the law. Petitioners Nos.1, 2, 4 and 5 are the employees of the second respondent company, and petitioner No.3 was up to October 1951 also in the employment- of the second respondent company. It appears that some of the employees of the Ford Motor Co. have formed a union to protect their interests, and the petition is filed by the five petitioners on behalf of themselves and all other workmen employed by the second respondent company. This union raised an industrial dispute in 1946. It was referred to the Industrial Tribunal and the Tribunal which consisted of Mr. Kamerkar gave its award on 5-5-1948, and the award lasted till 16-5-1949. There was another dispute between the workmen of the Ford Motor Co. and the company again in September 1949 and it was referred to the Industrial Tribunal by Government under S.10(ii) of the Industrial Disputes Act on 29-9-1949, and the award in this dispute was given on 20-1-1951. There was an appeal from this award and the Appellate Tribunal confirmed the awa