Section 4(1)(d) in The Indian Forest Service (Pay) Rules, 2007
(d)the anomaly shall be directly as a result of the application of the provisions of this clause. If even in the lower post, the junior officer was drawing more pay in the pre-revised scale than the senior by virtue of any advance increment granted to him, provisions of this clause need not be invoked to step up the pay of the senior member of the Service.