There is a long pending demand for promotional increment in the case of promotion in the post carrying same grade pay. Central Govt. has been agreed upon to grant one increment in this case in the recently concluded anomaly committee meeting but the issuance of necessary order is still awaited.However Tamilnadu has issued the clarification regarding fixation of pay in the same grade pay.
View the Clarification
Source : http://paycommissionupdate.blogspot.in/