The silt level was recorded 5,500-6,000 particles per million (ppm) today, which is higher than the permissible 4,000 ppm, forcing closure of the project for fifth day, Deputy General Manager of public sector Satluj Jal Vidyut Nigam (SJVN) said.
Closure of NJHEP, the largest underground hydro-electric power project in the country commissioned by the SJVN, has affected supply to northern states