GRAP Stage IV measures remain in force across Delhi-NCR as authorities bar non-BS VI private vehicles, enforce ‘No PUC, No Fuel’, tighten construction curbs and advise at least 50% work-from-homeGRAP Stage IV measures remain in force across Delhi-NCR as authorities bar non-BS VI private vehicles, enforce ‘No PUC, No Fuel’, tighten construction curbs and advise at least 50% work-from-home Latest News [ SOBAN NEWS: International and National ]