# Fatal toxic gas accidents in Indian wells

> Live situation record from CLSTR: https://clstr.news/situations/fatal-toxic-gas-accidents-in-indian-wells
> Updated: 2026-09-12T03:10:34.000Z. Sources: 4. Developments: 3.

A series of fatal accidents involving toxic gas inhalation in wells has been reported across different regions in India.

In Gaya, Bihar, four individuals died after entering an old well to repair a motor, including a father and son who attempted to rescue the first victim. In Chennai, a father and son working as plumbers died while attempting to desilt a 45-foot-deep well in the Sowcarpet area. Most recently, in Tirupati, Andhra Pradesh, two men died after entering a well to retrieve a fallen mobile phone.

In these incidents, individuals typically lost consciousness upon entering the wells due to accumulated fumes, often leading to secondary fatalities when others attempted rescue operations.

## Timeline

### 2026-09-12: Tirupati: Two men die from toxic gas in well accident

Two men from Odisha died of toxic gas inhalation in Tirupati, Andhra Pradesh, while attempting to retrieve a mobile phone from a well.

2 sources. https://clstr.news/cluster/tirupati-two-men-die-from-toxic-gas-in-well-accident

### 2026-08-26: Chennai: Father and son die from toxic gas in well cleaning accident

A father and son died in Chennai after inhaling toxic gas while cleaning a deep well at a residential building in the Sowcarpet area.

2 sources. https://clstr.news/cluster/chennai-father-and-son-die-from-toxic-gas-in-well-cleaning-accident

### 2026-08-13: Gaya: Four dead after toxic gas exposure in well accident

Four people, including a father and son, died from toxic gas exposure while attempting to repair a motor in an old well in Gaya, Bihar.

2 sources. https://clstr.news/cluster/gaya-four-dead-after-toxic-gas-exposure-in-well-accident

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Cite as: Fatal toxic gas accidents in Indian wells. CLSTR, https://clstr.news/situations/fatal-toxic-gas-accidents-in-indian-wells