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flag Underwater robots found no major defects in 34 Northeast India bridges during 2025–26 inspections.

flag The Northeast Frontier Railway has used underwater robots and advanced sensors to inspect 34 major bridges in Northeast India, including the historic Saraighat Bridge, finding no major defects during 2025–26 inspections. flag The technology, which includes LiDAR, thermal imaging, and ultrasonic testing, enhances structural monitoring and supports preventive maintenance. flag The initiative improves safety by reducing the need for human divers and modernizes infrastructure assessment across challenging river environments.

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