The Delhi government has notified that the entry of buses, barring CNG, BSVI diesel and electric ones will be regulated in the capital, if restrictions under the final stage of the Centre's air pollution control plan are invoked. Stage IV is the final stage of the Graded Response Action Plan (GRAP).

Order of the National Green Tribunal in the matter of In re : News item published in Indian Express dated 07.10.2023 titled “GRAP Stage 1 kicks in as air quality dips to poor, condition likely to prevail till Sunday” dated 20/11/2023.

The Commission for Air Quality Management (CAQM) in the National Capital Region (NCR) and adjoining areas, has issued an order revoking the GRAP Stage IV. This order was issued on November 18, 2023.

An analysis by the Delhi Pollution Control Committee (DPCC) has revealed a substantial rise in fine particulate matter on Diwali, with a 45 per cent increase in PM2.5 and a 33 per cent increase in PM10, compared to the previous year.

Order of the National Green Tribunal in the matter Gauri Maulekhi Vs Govt. of NCT of Delhi & Others dated 09/11/2023.

The issue involved in the Original Application is in respect of operation of dairy farms on Yamuna floodplains in National Capital Territory (NCT) of Delhi.

The stand of the counsel for the applicant is that in the representation, all the details of the 60 dairies along with the photographs operating in violation of the norms with full particulars were disclosed, yet no action has been taken by the concerned authorities.

Report by the Delhi Pollution Control Committee (DPCC) in Original Application No 663 of 2023 In re News item published in Indian Express dated 07.10.2023 titled GRAP Stage 1 kicks in as air quality dips to poor, condition likely to prevail till Sunday. The DPCC report was on the smog towers installed in Delhi to fight air pollution.

Judgment of the High Court of Delhi in the matter of Azad Market Residents Welfare Association Vs Ministry of Home Affairs and Others dated 06/11/2023.

Centre has taken a call to invoke all actions as envisaged under Stage-IV of the Graded Response Action Plan (GRAP) – ‘Severe+’ Air Quality (Delhi’s AQI > 450), with immediate effect in the entire national capital region (NCR).

Order of the National Green Tribunal in the matter of Rajesh Kumar Dokwal Vs Govt of NCT of Delhi dated 30/10/2023.

Report on behalf of Government of NCT of Delhi with respect to the National Green Tribunal order, August 17, 2023.

Due to the coordinated action taken by the various concerned departments on the eight action points of the "Action Plan for Rejuvenation of river Yamuna" the water quality of the river has improved in the period of January 2023 to September 2023. This is in comparison to the year 2022.

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