Hindustan Times. The Municipal Corporation of Gurugram (MCG) has issued notices to seven ready-mix concrete (RMC) plants allegedly operating without valid licenses, on Monday, giving their operators two days to. Gurugram: The Municipal Corporation of Gurugram (MCG) has set an October 25 deadline for the removal of 31 ready-mix concrete (RMC) plants operating within its jurisdiction, as part of measures.