( 1 ) COMMON questions of facts and law arise for adjudication in this batch of five writ petitions and so they are disposed of by this common judgment. The seven petitioners in these five writ petitions were appointed by the Government of andhra Pradesh by a notification issued in G. O. Ms. No. 122, Transport, Roads and Buildings (Tr. III) Department, dated 28-7-1985 as Directors in the Andhra pradesh State Road Transport Corporation under Section 5 of the The Road transport Corporations Act, 1950 (for short "the Act"), for a period of two years from the date of the issue of the order. By another order in G. O. Ms. No. 123 of the same date all the seven were appointed as Chairmen of Zonal Advisory councils, the term of which was co-terminus with the term of the Board of directors. By separate orders in the form of letters dated 25-9-1958 (sic. 25-9-1995, the Secretary to Government of Andhra Pradesh informed each of the petitioners as follows:"i am directed to state that it has been decided by Government to reconstitute the existing Board of Directors of the Public Sector undertakings. In pursuance of the above decision you are hereby given notice under sub-section (