J. Kumar Infraprojects is a pure-play engineering and construction company that builds the kind of infrastructure you see but rarely think about - flyovers, metro lines, tunnels, and bridges - in the most congested corners of India’s cities. It was founded in 1980 by a first-generation entrepreneur with a ₹15,000 contract from the Maharashtra Public Works Department, and over four decades it has grown into the contractor that government agencies call when a project is too complex for anyone else. The company’s entire approach rests on a single, recurring discipline: it never chases revenue for its own sake, bidding only for work that clears a strict 14-15% margin hurdle, and it has never strayed into asset-ownership models like build-operate-transfer, staying instead as a contractor that gets paid for building and then moves on. # Business segments A single construction engine, organised around five project types - metro systems, elevated corridors, roads and tunnels, water infrastructure, and civil buildings - all sharing the same in-house equipment fleet and the same margin-first bidding discipline. ## 1. Elevated corridors and flyovers: the backbone of the order book **This is the company’s largest business by far, building the raised roads and bridges that keep traffic moving in Mumbai and Delhi, and it is where the company’s story began.** - **The original trade** - the company built its first flyover at Konkan Bhavan junction and later constructed the tallest flyover in Mumbai in 1999, the Panjrapole Flyover at roughly 90 feet, so this segment carries more than four decades of accumulated know-how. - **Half the future workload** - as of March 2026, elevated corridors and flyovers made up about 51% of the total order book, which means more than half of every rupee the company expects to earn sits in this segment. - **A signature project in Chennai** - the company won a double-tier four-lane elevated corridor from Chennai Port to Maduravoyal, a ₹3,570-crore NHAI project that runs on an EPC basis and must be completed in 30 months, showing it can win large jobs far from its Mumbai home market. - **Built where the city is tightest** - ongoing work includes the Sewri Worli Elevated, the SCLR Flyover, and the Dwarka Expressway, all in dense urban corridors where construction must happen under live traffic. ## 2. Roads and road tunnels: the heavy-equipment franchise **This segment deploys the company’s most formidable physical asset - India’s largest-diameter tunnel boring machine - to carve highways and tunnels through rock under the city.** - **A record-breaking tunnel** - the Goregaon Mulund Link Road involves twin tunnels of 4.7 kilometres each, bored by a 14.6-metre-diameter TBM, making it the largest-diameter TBM-driven road tunnel project in India. - **The machine is owned, not rented** - the company owns its own fleet of tunnel boring machines, so it does not depend on subcontractors for the most critical piece of equipment on a tunnel job, which gives it control over timelines and cost. - **Nearly a fifth of the order book** - roads and road tunnels constituted about 18% of the order book as of March 2026, and the segment contributed a quarter of full-year revenue, reflecting the sheer scale of the Goregaon Mulund Link Road project flowing through the income statement. ## 3. Metro infrastructure: the technical flagship **This is the company’s calling card - it is one of the few Indian contractors that can build both elevated and underground metro systems on its own, and it has collected a string of construction firsts along the way.** - **Qualified where few others are** - the company is among the top five EPC players eligible to undertake underground metro projects in India, a short list in a country that is building metro rail at scale. - **Firsts that matter on site** - it was the first in India to build an entire elevated metro station from precast elements, the first to use the Box Pushing method for cross passages between tunnels, and the first to bring a Straddle Carrier into the country for launching girders, each of which speeds up construction in tight urban sites. - **Mumbai Metro is its workshop** - the company has built sections of Lines 2A, 3, 7A, and is now working on Lines 4A, 9, and the Pune Metro, giving it a dense concentration of work in a single geography where it can shift equipment and crews efficiently. - **A deliberate talent build** - the company hired expatriate specialists for its underground metro and road tunnel projects, importing expertise that was scarce in the domestic market when it first entered the segment. ## 4. Civil and other buildings: the diversification tail **This segment takes the company’s construction skills and applies them to hospitals, government housing, and railway stations - projects that keep the order book diversified beyond transport.** - **A recent win in Delhi** - in February 2026, the company received a ₹615.53-crore contract from NBCC to redevelop a government residential colony at Netaji Nagar, covering 540 quarters plus a community hall, with construction in 24 months and five years of operation and maintenance afterwards. - **Hospitals are a quiet specialty** - completed work includes a 500-bed ESIC hospital and medical college in Alwar, showing the company can handle institutional buildings with complex mechanical and electrical systems. - **A meaningful slice** - civil and other projects made up 12% of revenue in Q4 FY26 and the full year, enough to matter but not so much that it distracts from the core transport franchise. ## 5. Water infrastructure: the small but steady environmental play **This is the smallest segment, building sewage treatment plants and riverfront developments, and it gives the company a foothold in municipal sustainability spending.** - **Six live projects, one theme** - the company is currently executing the Pune Riverfront and a sewerage project in Malad, both of which blend civil engineering with environmental objectives. - **A modest contributor** - water infrastructure stood at about 5% of revenue for FY26, so it is a niche rather than a driver, but it has been a consistent presence in the portfolio for years. # Equipment fleet and in-house capabilities **The company owns a large, modern fleet of heavy construction equipment - including tunnel boring machines, hydraulic piling rigs, and straddle carriers - which lowers its operating costs and means it does not have to wait for subcontractors to show up.** - **India’s largest TBMs** - the company owns seven tunnel boring machines and describes them as the largest in the country, giving it the ability to bid for and execute the biggest-diameter tunnel projects without relying on rented equipment. - **A factory on wheels** - the fleet also includes 44 hydraulic piling rigs, two straddle carriers, ready-mix concrete plants, bitumen plants, and its own casting yards, so the company controls the entire production chain from concrete batching to segment casting on most jobs. - **Every project is its own profit centre** - the company runs a centralised planning and monitoring group for bidding, costing, and execution oversight, while each project operates with its own management hierarchy and funding, creating accountability at the site level. - **Process rigour brought in from outside** - KPMG was appointed to revamp standard operating procedures across tendering, planning, purchasing, inventory, HR, finance, and safety, so the company’s systems are being professionalised beyond the founder-family’s direct oversight. - **Safety and sustainability are built into the bid** - the company spends roughly 1% of project cost on safety and prepares a project-specific environment, health, and safety plan before work begins, while also replacing river sand with manufactured sand and using solar-powered lights in its casting yards to reduce its ecological footprint. # Group structure and partners **The company operates as a single entity with one subsidiary, one associate, and a web of joint ventures and joint operations - all within India - and is led by the founder and his two sons.** - **A subsidiary that was once a supplier** - Odette Engineers Private Limited, in which JKIL holds 85%, was acquired to implement a resolution plan for Pranav Construction Systems, a company that manufactured formworks and scaffoldings and was already a major supplier to JKIL, so the acquisition brought a critical link in the supply chain in-house. - **A joint venture for the big tunnel** - J. Kumar - NCC Private Limited, a 49%-owned associate, was formed specifically to design, construct, and operate the Goregaon Mulund Link Road twin-tunnel project, sharing the risk and the workload on the company’s largest single contract. - **Joint operations spread the load** - the company participates in 21 joint operations where it recognises its direct share of assets, liabilities, and revenues, a structure that allows it to bid for larger projects while keeping its own balance sheet unencumbered by the full project size. - **A board built for infrastructure** - the board includes a former NHAI Chairman and a director of Noida International Airport among its independent directors, bringing regulatory and sector-specific experience to the governance of a company that depends almost entirely on government contracts.