| Power | Power distribution to ~5.3 million customers in Delhi; renewable energy integration. | Monopoly zones in Delhi, regulated returns, asset ownership, and advanced metering infrastructure. | B2C electricity consumers and commercial entities in Delhi region. | Long-term regulated tariff business provides steady high margins. | 28121 | 91 | Revenue from electricity supply and regulatory tariff mechanisms. | Regulated tariffs by Maharashtra Electricity Regulatory Commission with government licenses. | Government licenses, digital network upgrades, renewable integration, loss reduction initiatives. | BSES Rajdhani Power, BSES Yamuna Power |
| EPC and Contracts | Engineering, procurement, and construction contracts in metro, power and infrastructure sectors. | Strong project execution track record, government relationships, and technical expertise. | Government agencies, state transport authorities, infrastructure developers. | Specialized metro rail and LNG terminal EPC contracts have better margins. | 212 | 1 | Project-based lump-sum contracts, turnkey EPC projects. | Fixed price EPC contracts with milestone-based payments. | Urban infrastructure expansion, government metro projects, international EPC bids. | Mumbai Metro Line One, Meghnaghat LNG Terminal |
| Infrastructure | Build-operate-transfer road projects, defense manufacturing, aerospace assemblies. | Exclusive licenses, strategic partnerships with global defense firms. | Government infrastructure authorities, defense sector, military clients. | Defense manufacturing and aerospace assembly lines. | 1372 | 5 | Toll collections, defense product sales, and manufacturing contracts. | Concession models for roads; contract manufacturing and supply for defense. | Government privatization, defense sector indigenization, large-scale contracts. | Road BOT Projects, Pipavav Defence and Engineering |
| Other Operations | Operation and maintenance of metro and road projects, ancillary infrastructure services. | Long-term concession agreements with government partners. | Metro authorities, toll customers and government bodies. | Efficient operation and maintenance services. | 313 | 3 | Concession fees, operation service charges. | Contractual agreements with fixed and variable components. | Increased urban mobility, toll revenue optimization. | Special Purpose Vehicles for Metro and Toll Roads |