Archive · 12 Nov 2025
Mumbai Metro Trains Undergo Anti-Rust Repairs for Roof Corrosion
Imagine your new toys getting a little rusty because of the salty air near the beach.
That's kind of what's happening to some of the Mumbai Metro trains!
The roofs of trains on Metro Line 2A and Metro Line 7 have started to get a bit rusty.
The people who run the trains say it's because Mumbai is very humid and close to the sea.
They've started painting the roofs with a special anti-rust paint to fix it.
They promise that the trains are still safe to ride and that they will fix them when fewer people are using the trains.
They will also do more studies to figure out how to stop it from happening again in the future.
It's like giving the trains a special shield against the weather!
Mumbai Metro Line 2A trains are undergoing anti-rust repairs due to corrosion on their roofs.
The corrosion was discovered on trains operating on the Dahisar to Andheri West route within three and a half years of service.
The operator attributes the rust primarily to Mumbai's humid coastal climate.
Anti-rust treatment is currently being applied, with further studies planned for long-term solutions.
Repairs are being conducted during non-peak hours, with assurances of maintained safety and no service suspension.
- Who
- Mumbai Metropolitan Region Development Authority-controlled arm MMRC Operations & Maintenance Company Ltd.
- What
- Initiated anti-rust repairs on the roofs of Mumbai Metro Line 2A trains due to corrosion.
- When
- Repairs have begun; corrosion developed within three and a half years of deployment.
- Where
- Mumbai Metro Line 2A (Dahisar to Andheri West) and Metro Line 7.
- Why
- To address superficial rust on train roofs attributed to Mumbai's humid coastal climate and maintain passenger confidence and safety.
Official Stance
Public Concern
Severity of Corrosion
Official Stance
The actual corrosion is minor and largely superficial at this stage.
Public Concern
Photographs of rust on train roofs were posted on social media, highlighting the issue.
Impact on Passengers
Official Stance
Safety standards are maintained and repairs will occur during non-peak hours to minimize disruption. No service suspension is anticipated.
Public Concern
Passengers and commuters are urged to remain calm, implying potential concern about safety and service reliability.
- Metro Lines Affected
- 2A and 7
- Location
- Mumbai
- Issue
- Corrosion on train roofs
- Cause Attributed
- Humid coastal climate
- Repairs Underway
- Anti-rust treatment
- Operator
- MMR Operations & Maintenance Company Ltd.