Section 5(2) in The Indian Police Service (Pay) Rules, 2007
(2)The pay of a member of the Service in the Junior Scale shall, on appointment to a post in the Senior Time Scale, be fixed at the stage next above the pay notionally arrived at by increasing his pay in lower scale by one increment at the stage at which such pay accrued (or by an amount equal to the last increment in the lower scale if he was drawing pay at the maximum of the lower scale) or the minimum of the higher scale, whichever is higher.
