Rescue teams involved in the intensive operation to pull out eight persons trapped in an under-construction tunnel which collapsed in Telangana’s Nagarkurnool district for three days are re-drawing the strategy to move forward in the last stretch of 40-50 metres. Facing several hurdles, the authorities have roped in experts from the Geological Survey of India (GSI), the National Geographical Research Institute (NGRI), and the National Remote Sensing Agency (NRSA) to assess the situation and suggest the way forward for rescue operations. Multiple teams of the National Disaster Response Force (NDRF), Army, Larsen and Toubro (L&T) and various agencies are moving cautiously as the stability of the tunnel has to be taken into consideration while undertaking any excavation work. While continuing dewatering, the rescue teams were waiting for the experts to suggest the next step. Various agencies including the Army, Navy, SDRF, National Highway Infrastructure Development Corporation, and Singareni Collieries Company Limited have mapped out the tunnel operation. They prepared a detailed diagram to help prepare a rescue strategy to locate and reach eight trapped men. Officials said the conveyor belt used to bring back debris from the tunnel after excavation was not working. Minister for Roads and Buildings Komatireddy Venkat Reddy said the efforts were on to repair the belt. (IANS)
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