88 . Const. P. 4754/2014 (D.B.) Nabi Hussain and Ors V/S M.D KW & SB and Ors Sindh Higher Court, Karachi 2025 SHC KHI 391 Upgradation with retrospective effect" refers to your predicament exactly where an staff's pay back scale is increased to a higher level, with no alter in their duties or posture, and this boost is applied to a time period befor