Review petition for alleged grave injustice can challenge reward decisions when scheme provisions were not followed. An informant may file a written review petition alleging grave injustice from non-adherence to the Reward Scheme or factual incorrectness; the petition must specify which scheme provisions were not followed or the factual errors claimed. The DGIT (Inv) places such petitions before a three-member review committee-regional Principal CCIT (CCA), a nominated CCIT (or Principal CIT if no CCIT), and the DGIT (Inv)-which examines the grievance, takes action, and communicates its decision to the informant within a targeted period.