For the purpose of determining zone toppers who qualify for the awards and rewards, all States and Union Territories in India have been categorized into four Regions and twenty-six Zones. A zone refers to an association of a few states for example in the Delhi zone, Rajasthan zone in the Northern region and Odisha Zone, Chhattisgarh zone in the East region, etc. And your zonal rank indicates your position among the students of all states in that zone.