This tender is issued by IREL (India) Limited (formerly Indian Rare Earths Limited), a Government of India enterprise. The invitations include: Engagement of EPCM consultant for debottlenecking of TSP and REC circuit of REEP Plant at OSCOM Supply of Caustic Soda Lye Bids are invited through GEM and e-procurement platforms. Interested bidders can access tender documents and updates from the following official portals: IREL Official Website Government e-Marketplace (GeM) Central e-Procurement Portal Any corrigendum, updates, or extensions will be published only on the above websites.