JUDGMENT

S.C. AGRAWAL, J.:- Special Leave granted.

2. Heard counsel for the parties.

3. These appeals by Special Leave are directed against the judgment dated November 12, 1990 of the High Court of Andhra Pradesh in Writ Appeals Nos. 1669 and 1714 of 1989 arising out of Writ Petition No. 578 of 1986 by the appellant.

4. The appellant joined the Transport Department of the Tirumala Tirputi Devasthanams (hereinafter referred to as TTD) on the post of Workshop Superintendent on May 4, 1963. He was appointed on the said post temporarily by a memo dated April 27, 1968. The said appointment of the appellant was subsequently regularised and he was confirmed on the said post with effect from June 11, 1970. Initially the pay of the appellant was fixed in, the scale of Rs. 180-350. In 1969, it was revised to Rs. 200-400. On September 2, 1972, the Commissioner of Endowments, Hyderabad directed the TTD to revise the scales of pay of its employees in the Transport Department and to bring them at par with the scales of pay of Andhra Pradesh State Road Transport Corporation (hereinafter referred to as APSRTC) and the said revision was to be made effective from May 1, 1970. No revision was made in the