CMCPCI is a unit within the Indian tax authorities that is responsible for reviewing and processing online Income Tax Returns (ITRs). If you have filed your ITR online and have received an SMS notification with the CMCPCI source code, it indicates that your return is being processed by the CMCPCI.
GSTR 9 and 9C for FY 23-24 as amended by Notification 12/2024 dated 10th July 2024(with recording)