India, Nov. 27 -- A ground penetrating radar survey (GPRS) conducted by the National Highways Authority of India (NHAI) on a stretch of Dwarka expressway located on the central peripheral road (CPR) has found multiple cavities under the road surface.

The cavities were allegedly caused due to a large water pipeline laid by the Gurugram Metropolitan Development Authority (GMDA), said officials.

The highway authority has asked GMDA to carry out the repair work, taking into account the safety of road users.

The lane from Elan Mall towards NH-48 had to be barricaded on November 2 after a portion of the road caved-in due to subsidence of earth underneath it, NHAI had said.

The survey revealed that 16 cavities were identified under the road ...