Class 12 Biology Environmental Issues Mix Example-Environmental Issues

Easy

When was the Bharat Stage $IV$ emission standard implemented for vehicles in the city?

A
March - $2017$
B
April - $2017$
C
March - $2015$
D
April - $2015$

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Class 12 Questions

Class 12

Biology Questions

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Environmental Issues

Subtopic

Mix Example-Environmental Issues

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