Telangana minister Uttam Kumar Reddy on Wednesday said the government has developed a comprehensive action plan, including exploring alternative access routes and deploying advanced machinery for dewatering,

While rescuers have managed to cover a large part of the tunnel Tuesday — 13.79 km of the 13.85 km — the last part has been challenging because of a mix of water and slush at the collapse site.

An official in India's southern Telangana state says the chances of 8 workers being rescued days after a tunnel collapse are "very, very remote."