The Union Budget 2026-27's capital expenditure allocation of Rs 11.21 lakh crore — a 10.8% increase over FY26 revised estimates and 3.1% of GDP — underscores the government's unwavering commitment to using public investment as the primary engine of economic growth at a time when private investment, while recovering, has not yet reached the scale needed to sustain 7%+ GDP growth without continued public sector stimulus. The capital expenditure trajectory has been one of the most consistent and defining features of the Modi government's economic policy from 2021 onwards, with central government capex tripling in absolute terms from Rs 4.26 lakh crore in FY22 to Rs 11.21 lakh crore in FY27 — a transformation that has fundamentally changed India's physical infrastructure quality and its construction sector's scale and sophistication.
Road and highway construction receives the largest single allocation at Rs 2.78 lakh crore, reflecting the National Highways Authority of India's ambitious target of completing 12,000 km of new highway construction in FY27 — a scale of activity that requires approximately 35,000 lane-km of active construction sites and employs approximately 50 lakh workers directly and indirectly in the construction value chain. The quality of India's highways has improved dramatically over the past five years with the adoption of German-specification concrete road standards on expressways, mechanised construction through pavers and compactors rather than manual labour, and real-time quality monitoring through IoT sensors embedded in pavement structures. The economic impact of this highway quality improvement — through reduced vehicle operating costs, faster goods movement and accident reduction — is estimated to contribute 0.4-0.6% annually to India's GDP growth, representing a significant and durable return on the public investment.
Railways received Rs 2.52 lakh crore — the highest-ever railway budget in India's history — with the allocation divided between network expansion (new lines, electrification and gauge conversion), rolling stock (1,600 new Vande Bharat trains and 100 Amrit Bharat trains), safety infrastructure (track renewal, signaling upgrades and level crossing elimination) and dedicated freight corridor completion (the Western and Eastern Dedicated Freight Corridors are now fully operational, and planning is underway for the East Coast, East-West and North-South corridors). The Vande Bharat production and deployment programme has been the railway's flagship visible achievement, with the trains achieving 97%+ on-time performance and transforming inter-city travel for the premium segment of the market that would otherwise choose air travel.
Defence capital expenditure of Rs 1.72 lakh crore — the largest component outside roads and railways — reflects both the security requirements of an increasingly assertive India in its neighbourhood and the government's Atmanirbhar Bharat vision for indigenous defence manufacturing. The defence capital budget is split between revenue expenditure for operations and maintenance (42%) and genuine capital procurement for new weapons systems, platforms and infrastructure (58%). Key procurement programmes in the budget cycle include the Tejas MkII advanced light combat aircraft, the Advanced Towed Artillery Gun System (ATAGS), the final order for MALE (Medium Altitude Long Endurance) drones, the new generation of indigenous submarine construction under Project 75I and the next tranche of warship construction for the Indian Navy's expanding blue-water fleet.
Urban development and smart cities received Rs 95,000 crore in Budget 2026, covering the PM Awas Yojana Urban 2.0 (Rs 35,000 crore), metro rail expansion in 15 new cities (Rs 28,000 crore), AMRUT 2.0 water and sewerage (Rs 20,000 crore) and Smart City Mission Phase 2 (Rs 12,000 crore). The PM Awas Yojana Urban 2.0 represents a significant policy refresh of the affordable housing programme, with the construction subsidy model replaced by a credit-linked interest subsidy model that works through housing finance companies — a change designed to improve the speed of benefit delivery and reduce the bureaucratic delays that affected the original scheme's performance. The metro rail expansion to smaller cities including Nashik, Coimbatore, Agra, Surat and Bhubaneswar will require innovative financing models including state government co-funding and private sector concessions, given the high per-km construction cost of elevated metro infrastructure relative to the passenger volumes of smaller cities in the initial years of operation.