Section 21 in The Collection of Statistics (Work Stopages Resulting from Industrial and Labour Disputes) Rules, 1968
(21)Approximate figures for the change in the daily wage-bill due to the settlement of the dispute will suffice. Generally, it will be possible to estimate the increase or decrease of the wage-bill per working day from the past wages-bill of the class of workers affected by the terms of settlement on a proportionate basis.
