Bharat Stage IV (BS-IV) compliant vehicles thoughout the country from 1 April 2017: Ministry of Road Transport & Highways

August 20, 2015

In order to reduce air pollution due to vehicles the Ministry of Road Transport & Highways issued a notification to introduce Bharat Stage IV (BS-IV) compliant four wheeler vehicles though out the country from 1 April 2017.
As per the notification from 1 April 2017 all newly manufactured four-wheeled vehicle that are complaint with the BS-IV standards will be allowed to registered and move on roads.
From 1 April, 2010 vehicles in few cities of NCR, Mumbai, Kolkatta, Chennai, Ahmadabad, Bangalore, Hyderabad including Secunderabad, Kanpur, Pune, Surat, Agra, Lucknow and Sholapur were already running with BS IV complaint engine. More 50 cities were added till 1 April 2015.
About Bharat Stage emission standards:

Bharat stage emission standards also known as “Bharat Stage” are emission standards instituted by the Government of India in accordance with European regulation standard ‘Euro norms’ to regulate the output of air pollutants that vehicles emits.
India adopted “Barat stage” in accordance with ‘Euro norms’ from year 2000 and stage wise introduced Bharat Stage compatible fuel and ungraded and modified vehicles throughout the country.
Each stage specifies a certain limit on the pollutants released, Higher the Bharat Stage goes lesser it emits pollutants.
The BS-IV complaint vehicles release less pollutants {Carbon Mono-oxide (CO), Hydrocarbon (HC), Oxides of Nitrogen (NOx) and Sulphur (SOx)} i.e. 0.025 Respirable suspended particulate matter (RSPM) as compared to its preceding Bharat Stage complaint vehicles.

Stages:

BS-I Euro 1 2000
BS-II Euro 2 2005
BS-III Euro 3 2010
BS-IV Euro 4 2015 (63 cities till 1 April 2015)

Note: Earlier Saumitra Chaudhri Committee has recommended to introduce even lesser pollutant releasing BS-V (0.005 rspm) and BS-VI (0.0025 rspm) throughout the nation by 2022 and 2024 respectively.

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