Section 70(2) in The Industrial Disputes (Central) Rules,1957
(2)Notwithstanding anything contained in sub-rule (1), the records of the National Industrial Tribunals, Industrial Tribunals or Labour Courts, connected with writ petitions, if any, filed in the High Courts or Supreme Court, or connected with appeals by special leave, if any, filed in the Supreme Court shall be preserved at least till the final disposal of such writ petitions or appeal by special leave.]
