(1.) The issues involved in all the writ petitions are one and the same and hence they are disposed of by this common order.
(2.) The Awards of the Labour Court dtd. 17/3/2016 passed in I.D.Nos.336, 337, 338 and 339 of 2009 are under challenge in the present writ petition.
(3.) The Tamil Nadu Generation and Distribution Corporation (TANGEDCO) is the writ petitioner in all writ petitions.