NH-134 in Uttarakhand and is part of the Chardham plan. The estimated construction period was four years, with cost estimated at Rs 1,119.69 crore. Total project cost is Rs 1,383.78 crore, including land acquisition and rehabilitation cost. The work is delayed and is likely to be completed by May 14, 2024.
At 5.30 am, about 41 workers were reprofiling 260-265 m inside the tunnel from Silkyara portal, when a collapse occurred at 205-260 m from the portal. All workers, based on the contractor’s entry register, were trapped inside the tunnel. The area in which the workers are trapped is 8.5 m high and 2 km long.
Uttarakhand administration, SDRF, NDRF, MoRTH, NHIDCL, NHAI and BRO are engaged in supplying fresh air, oxygen, water, electricity and small packed food through pipes. International expert Arnold Dix from International Tunneling and Underground Space Association, Geneva, and micro tunneling expert from Australia, Chris Cooper, are also assisting.
Five options were decided. Five different agencies are engaged in rescue operation — Oil and Natural Gas Corporation (ONGC), Sutluj Jal Vidyut Nigam (SJVNL), Rail Vikas Nigam Limited (RVNL), National Highways and Infrastructure Development Corporation Limited (NHIDCL) and Tehri Hydro Development Corporation Limited (THDCL).