JAGANNADHA RAO, C.J.

The four matters are connected and can be disposed of together, O.P. No. 4826 of 1989 is filed on June 9, 1989, by the Desiya Chumattu Thozhilali Union, INTUC-I (hereinafter called "Union A"), impleading the police authorities as respondent Nos. 1 to 3 and the Headload and General Workers Union (CITU) (hereinafter called "Union B"), Mangalam Dam Unit, as the fourth respondent, praying that a writ of mandamus be issued directing respondents No. 1 to 3 to give adequate police protection to the members of the petitioner for the Union "for loading, unloading work" in Kudiamplakkal Estate in Chellikayam.

2. W.A. No. 548 of 1993 is filed by the Sub-Inspector of Police, Mangalam Dam and another and W.A. No. 611 of 1993 is filed by Secretary, Desiya Chumattu Thozhilali Union (i.e., Union A) both questioning the judgment of the learned Single Judge in O.P. No. 54 of 1993 dated February 17, 1993. The said O.P. was filed by one K. J. Vincent, who is the owner of the 10 acres estate in S. No. 561/3 of Mangalam Dam Village in Alathur Taluk. Respondents Nos. 1 and 2 in the original petition are police officials while respondent No. 3 therein is the Secretary of Uni