88 . Const. P. 4754/2014 (D.B.) Nabi Hussain and Ors V/S M.D KW & SB and Ors Sindh High Court docket, Karachi 2025 SHC KHI 391 Upgradation with retrospective influence" refers to your condition where an worker's fork out scale is greater to a greater degree, without having a modify in their duties or place, which enhance is placed on a time period