India, Oct. 31 -- Keeping track of a vehicle's emission standards is important not only from an environmental perspective but also to ensure compliance with applicable regulations.

Bharat Stage (BS) emission standards are India's vehicle emission norms, modelled on European standards. Introduced by the government to control air pollution, these norms set limits on the pollutants vehicles can emit. Knowing a vehicle's emission standard can also help owners verify its compliance status and understand whether any restrictions on vehicle use apply to it.

A vehicle's Bharat Stage classification depends primarily on the emission standard it was designed and certified to meet, rather than its year of manufacture alone. The manufacturing date c...