Section 24A(a) in West Bengal Industrial Disputes Rules, 1958
(a)shall have regard, inter alia to the travelling and other expenses, allowed and paid to the witnesses of a party for attending such Industrial Tribunal or Labour Court, the compensation, if any, allowed by the Industrial Tribunal or Labour Court and paid to the party's witnesses for the loss suffered by them by reason of having to attend such Industrial Tribunal or Labour Court and remuneration, if any, allowed and paid to expert witnesses as well as such allowances and, if considered proper, such compensation, for a party himself when he was called as a witness or required to produce a document by the other party, unless the same has already been paid to such party; and