<P> Bharat stage emission standards ( BSES ) are emission standards instituted by the Government of India to regulate the output of air pollutants from internal combustion engines and Spark - ignition engines equipment , including motor vehicles . The standards and the timeline for implementation are set by the Central Pollution Control Board under the Ministry of Environment & Forests and climate change . </P>
which stage of vehicle emission norms presently applicable in india in internal combustion engine
Bharat stage emission standards ( BSES )