Section 5(1)(c) in The Indian Forest Service (Pay) Rules, 2016
(c)if he was holding a post lower than a Group A post, his pay in the Level 10 of the Pay Matrix shall be fixed as the pay arrived at by increasing his pay in respect of the lower post by one increment as specified in the vertical Cells of the applicable Level in the Pay Matrix admissible for such lower post, and if his pay in the pay Matrix after adding one increment is less than the minimum of the first Cell in the Level 10 of the Pay Matrix, then, his pay shall be fixed at the minimum of the Level 10 of the Pay Matrix;