← Resources · April 18, 2026
International Relations GSGS 4 min read

Eight India-Bound Ships Forced to Turn Back as Iran Reimpos es Hormuz Restrictions

What happened
01

Eight India-bound ships carrying energy cargo — crude oil, LPG, and LNG — were forced to return after attempting to cross the Strait of Hormuz when Iran reimposed strict military controls.

02

The government had coordinated with Iranian agencies and the Indian Navy to earmark 22 ships carrying energy cargo for repatriation, of which 10 had successfully crossed by this point.

03

The Indian Navy's Operation Urja Suraksha, launched on March 25, deployed more than five frontline warships — including Visakhapatnam-class destroyers and frigates — in the Gulf of Oman to escort vessels after they cleared the Strait.

04

Warships did not enter the Strait of Hormuz itself but maintained a security perimeter at its exit in the Gulf of Oman, providing navigation and communication support.

05

Initially 25 Indian-flagged vessels were stranded west of the Strait; by April 18, ten had successfully transited but eight were forced back after Iran's sudden reimposition of restrictions.

Static topic 1 of 3 · International Relations

India's Energy Security and Import Dependence

India is the world's third-largest oil importer, sourcing roughly 85% of its crude oil requirements from abroad. The West Asia region — including Iraq, Saudi Arabia, UAE, and historically Iran — accounts for the bulk of these imports. Nearly 40% of India's crude imports and approximately 50% of its liquefied natural gas (LNG) imports flow through the Strait of Hormuz, making any disruption there a direct threat to domestic energy availability and price stability.

Connection to this news

The forced return of India-bound energy ships directly threatens the country's fuel supply chain, exposing the structural vulnerability of routing energy through a single, politically contested chokepoint.

Static topic 2 of 3 · International Relations

Operation Urja Suraksha

Operation Urja Suraksha ("Energy Security Operation" in Hindi) is an Indian Navy mission launched on March 25, 2026, to provide escort and navigational protection to Indian-flagged merchant vessels stranded west of the Strait of Hormuz due to the ongoing Iran-related hostilities. It is one of India's largest peacetime naval deployments for energy security in the Persian Gulf region.

Connection to this news

Operation Urja Suraksha represents India's direct use of naval power for energy security, a significant precedent in India's strategic posture in the Indian Ocean Region (IOR).

Static topic 3 of 3 · International Relations

Freedom of Navigation and UNCLOS

The United Nations Convention on the Law of the Sea (UNCLOS), adopted in 1982 and in force since 1994, is the primary international legal framework governing use of the world's oceans. Under UNCLOS, the right of "transit passage" through international straits used for navigation — including the Strait of Hormuz — cannot be suspended even by the coastal state. India, as a maritime nation and major UNCLOS signatory, has consistently advocated for freedom of navigation as a non-negotiable principle.

Connection to this news

Iran's restrictions on Indian-flagged vessels contradict the transit passage rights guaranteed under UNCLOS, placing India's diplomatic protest on firm legal footing.

Key facts & data
  • 22 Indian-flagged vessels carrying energy cargo were identified for repatriation as of April 18, 2026
  • 10 vessels had successfully crossed the Strait; 8 were forced to return when Iran reimposed restrictions
  • Initially 25 Indian-flagged vessels were stranded west of the Strait of Hormuz
  • Operation Urja Suraksha was launched March 25, 2026; deployed 5+ frontline warships in Gulf of Oman
  • India's Strategic Petroleum Reserve capacity: ~5.33 million metric tonnes at Vishakhapatnam, Mangaluru, and Padur
  • ~40% of India's crude oil imports and ~50% of its LNG imports transit the Strait of Hormuz
  • India is the world's third-largest oil importer; it imports ~85% of its crude oil needs
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