'The DMRC has taken 10 steps in the wake of the Metro mishap and to ensure that such incidents don't re-occur,' the minister said.

Vijay Anand, director of DMRC in whose jurisdiction the accident took place, as well as the previous accident involving a launching girder collapse, has been sent back to the railways.

Two deputy chief engineers directly responsible for the design and site supervision, V.P. Shrivastava and Mukesh Thakur, have been placed under suspension too. Rajan Kataria, the chief engineer design, DMRC, will be issued with a major penalty charge sheet, Reddy added.

According to DMRC, so far 90 people have died in several accidents related to the construction of the mass transport system over the last one decade in the national capital.

The statement from Reddy come close on the heels of the Comptroller and Auditor General's (CAG) report that hauled up the capital's mass transit system for poor quality management in construction.

'Audit analysis of quality control indicated scaling down of testing requirements, non-witnessing of tests by the company's representative, testing of materials (used in construction) in non-accredited laboratories and non-preservation of test reports,' the CAG report has revealed.