New Delhi, July 12 - The collapse of a part of an underconstruction Delhi Metro line here Sunday was the second accident involving Gammon India, the construction company, in as many years.

Two people were killed and several injured when eight pre-cast blocks caved in at the flyover on Panjagutta in the heart of Hyderabad due to heavy rains Sep 9, 2007. The flyover was being constructed by Gammon India.

A technical experts committee appointed by the Andhra Pradesh government in its report found negligence on part of Gammon India and Tanikella Integrated Consultants and civic authorities as the cause of the accident.

The inquiry panel had recommended action against Gammon India, which was the engineering, procurement, construction (EPC) contractor for the project.