How war in West Asia is taking a toll on India road construction push (bitumen)

📌 Summary:

• The West Asia conflict and standoff over the Strait of Hormuz are hitting India's supply of bitumen — a crude-oil derivative essential for road building, with India 30-40% import-dependent
• Why it matters: the government targets building 10,000 km of highways in FY2026-27, and 17,365 km remain under PMGSY Phase-III; a bitumen squeeze threatens this infrastructure push
• Data: bitumen imports fell to 2.36 lakh tonnes in April 2026 (vs 2.97 lakh in April 2025); domestic consumption dropped ~33% to 5.80 and 5.19 lakh tonnes in April-May 2026 (vs 8.62 and 8.57 lakh a year earlier), signalling a construction slowdown; prices have risen
• Import dependence: India needs ~90 lakh tonnes of bitumen annually; ~54 lakh tonnes are produced domestically (IndianOil, BPCL) and the shortfall imported — over 99% of imports come from Iraq, UAE, Iran, Oman and Bahrain
• How bitumen is made: it is the heavy vacuum residue left after crude oil is distilled (LPG, petrol, kerosene, diesel removed first, then vacuum distillation); heavy crude yields more bitumen (3-8% per tonne of crude) than light crude; graded as VG-10/VG-30/VG-40 for road paving
• Causal chain: a Hormuz disruption cuts Middle East crude supply to Indian refineries, hitting refinery operations and bitumen availability and pricing — directly slowing road construction

🎯 UPSC Relevance: GS3 Economy/Infrastructure — energy and input-supply security, vulnerability of infrastructure programmes (PMGSY, highways) to geopolitical chokepoints.

📝 Prelims Facts:

• India needs ~90 lakh tonnes of bitumen annually; ~54 lakh tonnes produced domestically
• Over 99% of bitumen imports come from Iraq, UAE, Iran, Oman, Bahrain
• Road-paving bitumen grades: VG-10, VG-30, VG-40; bitumen is the vacuum residue of crude distillation

🔑 Key Term: Bitumen (Vacuum Residue) — the heavy, viscous crude-oil residue left after distillation, used as the binder in road construction.