Civil Services APPSC Group I Services Prelims Mock Test Series 2025 General Knowledge Ecology and Environment Environment Problems
Vehicle emission norms were introduced in India in 1991 for petrol and in 1992 for diesel vehicles. Since when are we following the Euro norms in India under the name Bharat Stage Emission Standards for four wheeled vehicles ?
1
1994
2
1997
3
2000
4
2003