Five firms shortlisted for topographical survey, bathymetric survey for 1,320 MW Rajiv Gandhi (Korba West) Thermal Power Plant in Chhattisgarh June 26, 2025 | Project Updates A total of five firms have been shortlisted for topographical survey, bathymetric survey for the 1,320 MW Rajiv Gandhi (Korba West) Thermal Power Plant. This content is restricted.