72. Joinder of several complaints in one complaint

Where it appears to the Director General in any proceedings under this Part that there are more employees than one having a common cause for complaint against the same employer or person liable, it shall not be necessary for each such employee to make a separate complaint under this Part, but the Director

General may, if he thinks fit, permit one or more of them to make

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a complaint and to attend and act on behalf of and generally to represent the others, and the Director General may proceed to a decision on the joint complaint or complaints of each and all such employees:

Provided that, where the Director General is of opinion that the interests of the employer or person liable are likely to be prejudiced by the non-attendance of any employee, he shall require the personal attendance of such employee.