Delhi, Jan. 22 -- GRAP-3 restrictions have been revoked in Delhi-NCR following improvement in air quality in the region, the Commission for Air Quality Management (CAQM) announced on Thursday, 22 January.

Restrictions under Stage-I & II of the revised GRAP, would however, remain in place and be monitored and reviewed by all the agencies concerned in the entire NCR to ensure that the AQI levels do not worsen, the air quality management body said in its statement.

Here's a list of what's allowed and what is not under GRAP 1, GRAP 2 curbs:

- Ban on open burning of bio-mass and municipal solid waste.

- Ban on the use of coal, firewood as fuel in Tandoors in hotels, restaurants and open eateries.

- Inter-state buses from NCR states would ...