( 1 ) THE present writ petition has been filed for issuance of a Writ of Mandamus declaring that a decision of the respondent No. 2 the Registrar of Trade Unions, Department of Labour, Government of West Bengal in the matter of adjudication on the legality and validity of the election of office bearers of O. N. G. C. Workmen's Association (copy of which is annexure 'd' to the writ petition) and the order of the respondent No,, 4; the Joint Director (I. R.) as communicated under Memo No. CAL/ CR/ir/omgcwa/87-CONF, dated 8. 6. 87 (copy of which is annexure 'f' to the writ petition) are not valid, legal and proper, and to rescind, recall and withdraw the aforementioned decision and the order. It is stated in the writ petition that the petitioner No. 1 is a registered Trade Union bearing Registration No. 10641 having its office at P-45, Taratolla Road, Calcutta and its members are employees of the respondent No. 5 Oil and Natural Gas Commission in its different offices and the State of West Bengal. The petitioner Nos. 2 to 6 are alleged to be the office bearers of the petitioner No. 1 Association. It is further stated that the petitioner No. 1 association was formed