India, Nov. 27 -- The Commission for Air Quality Management (CAQM) revoked Grap Stage 3 restrictions on Wednesday at an Air Quality Index of 327- still firmly in the 'very poor' category and amid mounting public frustration - allowing construction activities and older diesel vehicles back on roads during the Capital's 21st consecutive day of hazardous air.

The decision on repealing the third of the graded response action plan (Grap) level of curbs came despite forecasts indicating air quality will remain 'very poor' through the coming days and just a week after the Supreme Court encouraged the commission to take "proactive action" in making pollution control measures more stringent.

Delhi's 24-hour average AQI stood at 327 at 4pm on Wed...