India, July 4 -- After a video of a section of the Delhi-Dehradun Expressway caving in went viral, NHAI has suspended the team leader of the authority engineer and the project manager of the contractor, even as it said the cave-in was due to water stagnation following rains.

The National Highways Authority of India (NHAI), in a statement, said it has also issued show cause notices to the concerned project director, authority engineer and EPC contractor. A road surface cave-in observed on the Delhi-Dehradun Economic Corridor on July 1, 2026, was the result of localised water stagnation following rainfall the previous night, coupled with constraints in commissioning the permanent cross-drainage system at the location, NHAI said.

"NHAI reg...