K.C.Das Gupta, J.

(1) SIX mattera in dispute between the respondent, Hindusthan Motors, Ltd., and their workmen were referred to the second Industrial tribunal, West Bengal. The first five were:

(1) grades and scales of pay,

(2) dearness allowance,

(3) production bonus,

(4) contract labour, and

(5) casual Leave.

The sixth was in respect of the termination of services of some workmen. The tribunal by its award decided that the workmen were not entitled to any relief as regards the third, fourth, fifth and the sixth of these matters. On the question of grades and scales of pay the tribunal laid down several slabs of annual increments for the time-rated workmen but refused to make any change in the rates of piece-rated workmen. On the question of dearness allowance it fixed the same rates as fixed by the Third Major Engineering tribunal award for the engineering concerns covered by its award but did not make any provision for any changes on account of changes in the cost of living index. The tribunal refused to modify the production bonus scheme which was already in operation in the concern and also to extend the scheme to the plant engineering, mas