JUDGMENT

Mrs. Sujata V. Manohar, J.-This is an appeal filed by the Employees State Insurance Corporation against the judgment and order of the Central Administrative Tribunal, Bangalore Bench, dated 3.10.1991 in Application No. 350 of 1990. The application was filed by respondent No. 1 for enhancement of his pay.

2. The appellants have a cadre of Upper Division Clerks (hereinafter referred to as UDC ) which has three categories - UDC Cashier, UDC Care-taker and UDC Incharge. While UDC Cashier and UDC Care-taker were normally posted in regional offices, UDC Incharge was posted in local offices. It was a normal practice of the appellant-corporation to ask the Upper Division Clerks to exercise their option to work in any of the three categories. At the material time the post of UDC Cashier carried certain allowances including a cash allowance based on the total disbursement made by the UDC Cashier to the insured person per month. Hence the seniors generally opted for UDC Cashier s post. The pay-scales of all UDCs was Rs. 330-560.

3. By memorandum dated 22.3.1978 the scale of pay of UDCs Incharge was revised on an ad hoc basis. It was also decided to allow this revised scale of pay to t