“பாரத் நிலை उत्सर्जन मानक” என்பது எதைக் குறிக்கிறது?

Bharat Stage (BS) Emission Standards are norms set by the Government of India to limit air pollutants from motor vehicles. They are modelled on European (Euro) norms; India moved from BS-IV directly to BS-VI in 2020.