Section 10B(3) in Industrial Disputes (Punjab) Rules, 1958
(3)The Labour Court or Tribunal, as the case may be, shall ordinarily fix the date for the first hearing of the dispute within six weeks of the date on which it was referred for adjudication :Provided that the Labour Court or Tribunal as the case may be, may for reasons to be recorded in writing, fix a later date for the first hearing of the dispute.