88 . Const. P. 4754/2014 (D.B.) Nabi Hussain and Ors V/S M.D KW & SB and Ors Sindh Substantial Court, Karachi 2025 SHC KHI 391 Upgradation with retrospective impact" refers to the situation in which an staff's pay out scale is improved to a better amount, with out a transform inside their duties or placement, and this improve is placed on a period