Generation, transmission and supply of electricity, in the State of Andhra Pradesh used to be undertaken by the A.P. State Electricity Board, which was created under a statute. In the recent past, substantial changes were brought about, in the said activity. Separate Companies, fully owned by the State, were brought into existence, for undertaking the respective activities, in the place of the Board. Activity of generation of power is brought under the purview of the A.P. Generation Corporation (for short 'the A.P. GENCO'); the transmission, under the A.P. Transmission Corporation (for short 'the A.P. TRANSCO'), and the Distribution, under the purview of four separate Distribution Companies. Even under the changed set up, the control of Government exists, be it, in the context of overseeing the general activities, or monitoring the pattern of appointments, in the respective companies. The Distribution Companies function almost as sister-organizations to the A.P. TRANSCO.

2. For effective functioning of the Transmission and Distribution Companies, the field staff in the category of Junior Linemen assume importance. The said Companies approached the Government of Andhra Prad