The IOMOU ratios for NIR includes IOMOU Deficiency Ratios ( with ISM weightage and without ISM weightage), IOMOU Detention Ratio, IOMOU RO Related Deficiency Ratio and IOMOU RO Related Detention Ratio. These ratios are calculated based on PSC inspection data of last three calendar years (i.e. 2019, 2020, 2021) and are effective from 01.05.2022. These ratios are valid for a year. Next ratio calculations would be by April 2023.
IOMOU comparison Ratio for NIR
|IOMOU Ratios||Permissible Limits|
|Below Average||Average||Above Average|
|IOMOU Deficiency Ratio (without ISM weightage)||1.6844 (0.9X)||1.8715 (X)||2.0587 (1.1X)|
|IOMOU Deficiency Ratio (with ISM weightage)||1.9138 (0.9Y)||2.1264 (Y)||2.3391 (1.1Y)|
|IOMOU Detention Ratio||0.0409 (0.99Z)||0.0413 (Z)||0.0417 (1.01Z)|
|IOMOU RO Related Deficiency Ratio||0.0068 (0.99R)||0.0069 (R)||0.0070 (1.01R)|
|IOMOU RO Related Detention Ratio||0.00246 (0.99S)||0.00248 (S)||0.00251 (1.01S)|
Note : IOMOU NIR Ratios are valid till next update likely by April 2023.