ZONE A :: Relating to application of the premium rates prescribed within the All India Motor Tariff relates to one of the two zones of operations of motor vehicles that comprise the Madras Region and Mumbai Region but excludes Mumbai

ZONE B :: Relating to application of the premium rates prescribed within the All India Motor Tariff relates to one of the two zones of operations of motor vehicles comprising regions other than those covered under Zone A; viz Delhi, Mumbai, Kolkata

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ZONE C ::  Relating to application of the premium rates prescribed within the All India Motor Tariff. This is applicable for commercial vehicles only. Any location other than metropolitan cities and state capitals falls under this zone.