The Association for Emissions Control by Catalyst (AECC) http://www.aecc.eu/
The Manufacturers of Emission Controls Association (MECA) http://www.meca.org/
Central Pollution Control Board (CPCB) http://cpcb.nic.in/
Ministry of Road Transport & Highways (MoRT&H) http://www.morth.nic.in
Ministry of Petroleum & Natural gas (MoPN&G) http://www.petroleum.nic.in
Ministry of Environment & Forests (MoEF) http://www.envfor.nic.in
Automotive Research Association of India (ARAI) www.araiindia.com
Diesel Information Hub https://dieselinformation.aecc.eu