India protests after Pakistani and Indian naval vessels collide in Arabian Sea

India has lodged a diplomatic protest with Pakistan following a collision involving an Indian naval vessel and Pakistani naval units in international waters in the northern Arabian Sea. The incident occurred on Tuesday, September 15, and India summoned Pakistan’s senior diplomatic representative in New Delhi the following day. The Associated Press reported the development based on a statement from India’s Ministry of External Affairs.

India described the conduct of the Pakistani naval units as unacceptable and unprofessional and asked Pakistan to ensure that its military operates with appropriate caution and respects bilateral agreements intended to prevent dangerous encounters. Those descriptions represent the Indian government’s account of the incident. Pakistan had not issued an immediate public response in the initial Associated Press report.

What actually happened between the Indian and Pakistani naval vessels?

The collision occurred in the northern Arabian Sea while the vessels were operating in international waters. India’s foreign ministry said no major damage resulted from the incident.

Indian reporting citing government officials has provided additional details about the encounter, including allegations that a Pakistani naval vessel approached an Indian unit at high speed. Those claims should remain attributed to Indian officials unless or until Pakistan provides its account or independent evidence establishes the precise sequence of manoeuvres.

India instructed its diplomatic representative in Islamabad to raise the matter separately with Pakistan’s Foreign Ministry, indicating that New Delhi was treating the incident as a bilateral military-safety issue rather than merely a routine maritime accident.

Why does a collision in international waters matter?

Warships frequently operate in international waters, including areas where the navies of neighbouring or rival states may encounter one another. The problem is not the presence of military vessels itself but the risk that close manoeuvres, miscommunication or miscalculation can create an accident that escalates politically.

That risk is particularly important when the countries involved are India and Pakistan. Both possess nuclear weapons, both maintain substantial conventional military forces and their relationship has repeatedly moved between periods of relative calm and acute military tension.

The two countries have bilateral arrangements designed to reduce the risk of dangerous military incidents. India has specifically referred to the need for Pakistan to respect relevant agreements when operating military units.

Has either side reported serious damage or casualties?

India’s Ministry of External Affairs said there was no major damage, according to the Associated Press. No casualties were reported in the initial official account.

Some Indian media reports subsequently described damage to a Pakistani vessel. Because those reports were not confirmed by Pakistan in the sources reviewed here, they should not be treated as an independently established fact.

The absence of reported major damage reduces the immediate operational consequences, but the diplomatic protest shows that India considers the encounter serious enough to require formal action.

Why are India-Pakistan military incidents receiving more attention now?

Relations between India and Pakistan remain fragile after a sharp escalation in 2025. The Associated Press noted that tensions worsened after 26 people were killed in an attack on tourists in Indian-administered Kashmir. India blamed Pakistan for involvement, while Pakistan denied the accusation. Subsequent military strikes brought the countries closer to a broader confrontation.

That history affects how even a comparatively limited naval incident is interpreted. A collision that might otherwise be treated mainly as a maritime-safety matter can acquire geopolitical significance because audiences immediately assess whether it signals deliberate escalation.

There is currently no evidence in the official material cited here that either government has announced a broader military response to the collision.

What should readers watch after the Arabian Sea incident?

Pakistan’s formal response will be particularly important because the initial public account comes primarily from India. Islamabad may agree with, dispute or supplement New Delhi’s description of the encounter.

Any release of navigational information, official naval statements, imagery or further diplomatic correspondence could clarify how the vessels approached one another and whether established encounter procedures were followed.

The central factual position remains limited but clear. Indian and Pakistani naval forces were involved in a collision in international waters, India says no major damage occurred, and New Delhi has formally protested what it characterizes as unsafe and unprofessional conduct by Pakistani units. Until Pakistan responds or additional evidence emerges, assertions about intent or responsibility beyond that should remain attributed rather than presented as settled fact.