Section 8(1)(c) in The Indian Forest Service (Pay) Rules, 2016
(c)The increment in respect of a member of Service appointed or promoted or granted financial upgradation during the period between the 2nd day of January and 1st day of July (both inclusive) shall be granted on 1st day of January and the increment in respect of an employee appointed or promoted or granted financial upgradation during the period between the 2nd day of July and 1st day of January (both inclusive) shall be granted on 1st day of July.