An application under sub-section (2) of section 10 for the reference of an industrial dispute to a Board, Court, Labour Court, Tribunal or National Tribunal shall be made in Form A and shall be delivered personally or forwarded by registered post 1[to the Secretary to the Government of India in the Ministry of Labour and Employment (in triplicate)] the Chief Labour Commissioner (Central), New Delhi, and the Regional Labour Commissioner (Central), and the Assistant Labour Commissioner (Central) concerned. The application shall be accompanied by a statement setting forth—
(a) the parties to the dispute;
(b) the specific matters in dispute;
(c) the total number of workmen employed in the undertaking affected;
(d) an estimate of the number of workmen affected or likely to be affected by the dispute; and
(e) the efforts made by the parties themselves to adjust the dispute.