Inquiry report regarding total power system collapse on 09 Jan 2021 PAKISTAN power system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapsepower system collapse