🚨 *How to Calculate your All India Rank (AIR)* 🚨 18548 students appeard in Environmental Science in this session and suppose your percentile is 99.0187. Means 99.0187 % students get marks either less or equal to you. 18548 x 99.0187 / 100 = 18366 18366 students get score equal or less than you, remaining 18548 - 18366 = 182 students get more marks than you. So your rank is *183rd*