JUDGMENT

SAWANT, J.:—Civil Appeals Nos. 3019/ 87, 3020/87 and 3016/88 arise out of the judgment dated March 2-1987 delivered by the Full Bench of the Central Administrative Tribunal (hereinafter referrred to as the Tribunal).

Civil Appeals Nos. 3018/87 and 3021/87 arise out of the judgments dated April 24, , 87 and April 1, 1987 respectively of the Tribunal, Hyderabad Bench.

Civil Appeals Nos. 3083/90 and 4379/90 arise out of the judgments dated March 2, 1989 and September 15, 1989 of the Madras and Hyderabad Bench of the Tribunal respectively and which are based on the aforesaid decision of the Full Bench of the Tribunal.

Civil Appeals Nos. 51-55 of 1990 arise out of the decision dated July 12, 1989 of the Tribunal, Chandigarh Bench.

Special Leave Petition (C) No. 1094 of 1990 arises out of the decision dated June 29, 1989 of the Tribunal, Bombay Bench.

Special Leave Petition (C) No. 2344 of 1990 arises out of the decision dated 18th September, 1989 given by the Tribunal, Principal Bench, New Delhi.

Special Leave Petition 1 (C) No. 11680 of 1991 arises out of the decision dated January 25, 1991 given by the Tribunal, Principal Bench, New Delhi.

2. The common questions involved in all the