At least six to eight workers are feared trapped following a roof collapse in the under-construction Srisailam Left Bank Canal in Telangana’s Nagarkurnool district. Authorities, including the state irrigation minister and officials, are en route to the site to coordinate rescue and relief operations.At least six to eight workers are feared trapped following a roof collapse in the under-construction Srisailam Left Bank Canal in Telangana’s Nagarkurnool district. Authorities, including the state irrigation minister and officials, are en route to the site to coordinate rescue and relief operations.