So far, three review meetings with the states have taken place on April 6, April 13 and on July 24. On vehicular pollution, Delhi government has submitted that it has launched a surveillance programme against adulteration of fuel�both diesel and petrol by the food supplies and consumer affairs department. Among other things, it has also claimed to have impounded 3,734 overloaded vehicles in the past seven months. The government also said that the transport department is planning to implement a remote sensing based Pollution Under Control (PUC) checking system inspired by Kolkata, and plans to deploy 1,380 semi low-floor buses, 500 mini buses and 1,000 cluster buses by the end of 2016 to augment public transport. Haryana has submitted that only BS-IV compliant vehicles are being registered.

On other aspects such as waste burning and industries, thermal power plants in Delhi are to comply with 100% utilization of fly ash; 57 of 333 polluting industries in Ghaziabad have been identified for action or closure; NDMC has constructed 38 compost pits (26 in south zone and 10 in north zone) in major parks, colony parks, and nurseries. Similar action plans were submitted by UP and Haryana as well.