88 . Const. P. 4754/2014 (D.B.) Nabi Hussain and Ors V/S M.D KW & SB and Ors Sindh Substantial Courtroom, Karachi 2025 SHC KHI 391 Upgradation with retrospective effect" refers to the condition wherever an worker's shell out scale is elevated to a greater degree, without having a transform of their duties or posture, and this maximize is placed on