Time Gap in Replacement for De-Commissioned Naval Vessels The induction and decommissioning of ships and submarines is planned in accordance with the Maritime Capability Perspective Plan (MCPP) in Indian Navy and Coast Guard Development Plan (CGDP) in Indian Coast Guard. The MCPP / CGDP are contemporary in nature and in keeping with the practices in the leading Navies. The MCPP/ CGDP are revised every five years based on the capabilities to be achieved, threat perceptions, prevailing external security environment, emerging technologies and availability of funds. This information was given by Defence Minister Shri Manohar Parrikar in a written reply to Dr. R Lakshmanan in Rajya Sabha today. DM/NAMPI/RAJ