India, Aug. 15 -- The Public Works Department (PWD) will start soil investigation and geotechnical surveys for the proposed flyovers at the Modi Mill and Savitri Cinema intersections on the Outer Ring Road in south Delhi, officials aware of the matter said on Friday.

The Rs.412-crore project aims to double the one-way Savitri Cinema and Kalkaji flyovers and link them with a new elevated stretch from the Modi Mill flyover, creating a continuous flyover corridor along the Outer Ring Road. Officials said construction, expected to take at least a year, will begin only after all statutory approvals are secured from the Union ministry of housing and urban affairs (MoHUA) and other agencies.

"The project proposal has been reviewed by the minis...