O R D E R

Heard Mr. V.Prakash, Learned Senior Counsel appearing for the Petitioner, Mrs. C.Sangamithirai, Learned Special Government Pleader appearing for the First Respondent, Mr. R.Asokan, Learned Counsel for the Second and Third Respondents and Mr. Anand Gopalan, Learned Counsel for the Fourth Respondents and perused the materials placed on record, apart from the pleadings of the parties.

2. The Petitioner, which is a Trade Union, seeks to espouse the cause of 387 persons, who claim to be its members, for regularization of service from the respective dates on which they had joined duty in the establishment of the Fourth Respondent as its direct employees. The request of the Petitioner for referring the said demand for adjudication under Section 10(1) of the Industrial Disputes, 1947, (hereinafter referred to as 'the Act' for short) was declined by the First Respondent by G.O. (D) No. 337, Labour and Employment (A1) Department dated 09.06.2017 for the reason that the concerned persons could have approached the jurisdictional Inspector of Labour under the relevant provisions of the Tamil Nadu Industrial Establishments (Conferment of Permanent Status to Workmen) Act, 1981, while in