Shimla, Nov. 30 -- The investigation into the Bhattakufar chowk land subsidence entered a crucial phase on Saturday as a team from the Geological Survey of India (GSI) visited the affected site above the under-construction twin-tube tunnel on the Mehli-Dhalli four-lane project, where a portion of the road had caved-in last week.

The team had arrived in Shimla on Friday evening and carried out an initial inspection at 7:00 PM, followed by a detailed examination on Saturday morning in the presence of the district administration.

Deputy Commissioner Shimla Anupam Kashyap said the district administration had written to the GSI immediately after the incident, seeking expert geological evaluation. Responding to the request, the GSI team inspect...