The two-member panel asked by the Central Electricity Regulatory Commission (CERC) to probe the twin national grid collapses on

July 30 and 31 has said prevention of such occurences requires strict adherence to grid discipline. A CERC official told Business Standard the report was given last Thursday. It has blamed underdrawal by the western region states and overdrawal by the northern and eastern states for the collapses, affecting power supply for hours in 21 states.