Three die in gas leak at Apple supplier Tata Electronics factory in India

Three die in gas leak at Apple supplier Tata Electronics factory in India
A security guard stands at the boundary of a Tata Electronics' components factory for Apple’s iPhone in Hosur, Tamil Nadu, India, 15 June 2026.
Reuters

Three contract workers have died after inhaling gas during maintenance work at a Tata Electronics factory in Tamil Nadu, southern India. The facility manufactures components for Apple's iPhones.

The incident occurred at the company's site in Hosur, on Monday 9 November, while workers were carrying out maintenance on an effluent treatment plant, according to local district official Dinesh Kumar.

The workers reportedly inhaled gas while inspecting an external nano-filtration tank. The treatment plant is operated by Nalco Water, a subsidiary of U.S.-based Ecolab.

Tamil Nadu authorities have launched an investigation. Tata Electronics and Apple are also expected to examine the circumstances surrounding the deaths.

“The safety and dignity of every worker must remain paramount,” the state's industries minister said in a statement on X. The minister added that the incident would be thoroughly investigated and appropriate action taken.

The incident has not affected manufacturing operations, according to sources familiar with the matter. The factory was closed for the Hindu festival of Deepavali this week.

Tata Electronics and Nalco Water had not responded to requests for comment at the time of reporting.

Pressure on Apple's Indian supply chain

The deaths come as India strengthens its position as a major manufacturing base for Apple. Tata Electronics is estimated to account for around 40 per cent of iPhone assembly in the country, with Foxconn handling the remainder.

A logo of Tata Electronics at its kiosk at the Semicon India 2026, an annual semiconductor conference, in New Delhi, India, 17 September 2026.
Reuters

However, the Hosur facility has faced several challenges in recent years.

In 2024, a fire forced production to stop at a nearby components plant. Earlier this year, state authorities also threatened to shut down the site over alleged groundwater contamination, although the matter was later dropped.

Separately, a ransomware attack on an adjacent iPhone manufacturing facility within the same compound reportedly exposed documents relating to Apple's then-unreleased iPhone 18 Pro.

The latest incident adds to scrutiny of working conditions and industrial safety across India's expanding electronics manufacturing sector, where major global technology companies are increasingly relying on local suppliers.

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