New Delhi, Sept. 2 -- The Public Works Department (PWD) has started soil investigation and geotechnical surveys for constructing parallel flyovers at Kalkaji and Savitri Cinema on the Outer Ring Road in South Delhi.

Officials said borewells are being dug near the Okhla metro station stretch of the Kalkaji flyover to collect soil samples, assess rock formations, and study groundwater levels. A similar exercise will be carried out later at the Savitri Cinema flyover.

The survey will help determine soil capacity and foundation requirements for the new structures.

The project aims to double the one-way Savitri and Kalkaji flyovers and merge them with a new flyover linking the Modi Mill flyover along the Outer Ring Road - a move that offici...