| Power | Coal, gas, hydro, and solar power generation; power trading and mining activities. | Diverse fuel mix, strategic locations, regulatory approvals, experienced operations teams | State utilities, industrial buyers, open market (B2B and B2C) | Renewable energy projects, long-term PPAs with favorable tariffs | 533085000000 | 84 | Sale of electricity via long-term PPAs and merchant market; power trading; coal sales | Long-term contracted tariffs and market-based pricing for merchant sales | Increasing power demand, renewable capacity additions, energy transition policies | Warora Power Plant, Kamalanga Power Plant, Bajoli Holi Hydro Plant, GMR Gujarat Solar Power |
| Smart Meter Infrastructure | Installation, integration, maintenance of smart meters and advanced metering infrastructure | Large-scale exclusive contracts in key states, advanced technology deployments | State electricity distribution companies (B2B) | Operational and maintenance contracts with recurring revenue | 32054000000 | 5 | Project-based and recurring revenues from smart meter deployment and services | Contractual payments based on installation and ongoing service levels | Government smart grid initiatives, increasing demand for electricity monitoring solutions | GMR Smart Electricity Distribution projects in Uttar Pradesh |
| Roads | Development and operation of highways on BOT and annuity models | Established presence in multiple states, long-term concessions, regulatory support | Commuters, NHAI and other government agencies (B2B/B2C) | Annuity based road projects with stable cash flows | 39669000000 | 6 | Toll collections and annuity payments over concession periods | Toll-based or annuity revenue streams | Traffic growth, settlement of disputes, government infrastructure investments | Ambala-Chandigarh Expressway, Pochanpalli Expressway, Chennai Outer Ring Road |
| EPC | Engineering, Procurement and Construction for railways, roads, and infrastructure projects | Strong track record in large-scale EPC projects, technical expertise | Government entities like DFCCIL, RVNL (B2B) | Project execution with efficient cost management | 19075000000 | 3 | Contract revenues from project execution and delivery milestones | Fixed-price contracts with progress billing | Infrastructure development programs, rail modernization projects | Eastern Dedicated Freight Corridor Packages 201, 202, 301, 302 |
| Others | Consulting, land development and sales, air charter services | Strategic land holdings, aviation niche services | Industrial clients, governments, premium travelers | Land sales and consulting fees | 10514000000 | 2 | Service fees, land sales, charter revenue | Project-based, transactional, and service agreements | Urban infrastructure development, aviation demand | Management and consultancy services, land monetization, aviation services |
