Tag: National Geophysical Research Institute (NGRI)

Feb. 2025: Srisailam Dam Left Bank Tunnel Collapse Disaster
Dam Disaster

Feb. 2025: Srisailam Dam Left Bank Tunnel Collapse Disaster

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(Feature Image: A rescue worker at the SLBC tunnel. Credit: Nagara Gopal)

The SLCB tunnel collapse in Feb. 2025 is among worst dam-tunnel disaster this year in India. The incident occurred just four days after resuming tunneling work after a long halt killing at least 8 workers. Despite, two-month long multi agency search operation only two bodies were retrieved while mortals of six still remain buried inside the tunnel. The TBM involved in tunnelling has also been damaged. Given risky situation the rescue work was stopped in April end and there is no update on the same so far. Nearly 10 months after the disaster, there is no official report probing the reasons and addressing the concerns over inadequate geological, geotechnical inspections.

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2025: Govts, Judiciary Actions on Dam Safety in India
Dam Safety

2025: Govts, Judiciary Actions on Dam Safety in India

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(Feature Image: Experts visit Srisailam dam to assess its structural safety in May 2025. Source)

At national level, the NDSA has carried safety audit of 1853 large dams out of 6545 as of Nov. 25, 2025. In July 2025, the Central govt announced to reconstitute NCDS for a period of three years.  Before this the NDSA in April 2025 organized a symposium on Dam Safety Act 2021. It has also released the updated version of National Register on Specified Dams 2025. At state level, the Tamil Nadu govt in July 2025 has planned to set up separate dam safety wing. The Punjab govt in May 2025 moved resolution in state assembly to annul Dam Safety Act and planned to enact its own dam safety bill.

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