This notice from Central Coalfields Limited (CCL), a subsidiary of Coal India Limited, specifies official web portals where all tenders and procurement notices for goods, works, and services are published.Official Procurement & Tender WebsitesCoal India Ltd: Coal India Official WebsiteCentral Coalfields Limited: CCL Official WebsiteCIL e-Procurement: Coal India Tenders PortalCentral Public Procurement: CPP PortalGovernment e-Marketplace: GeM Portal