88 . Const. P. 4754/2014 (D.B.) Nabi Hussain and Ors V/S M.D KW & SB and Ors Sindh High Court, Karachi 2025 SHC KHI 391 Upgradation with retrospective effect" refers to a problem in which an worker's spend scale is elevated to a better level, with out a improve in their responsibilities or position, and this enhance is placed on a period before the