| (a) Infant mortality rate | (i) No. of deaths of infants < 29 days of age per 1000 live births |
| (b) Neonatal mortality rate | (ii) No. of deaths of infants < 7 days of age per 1000 live births |
| (c) Post-neonatal mortality rate | (iii) No. of deaths of infants < 1 year of age per 1000 live births |
| (d) Early neonatal mortality rate | (iv) No. of deaths of infants from 29 to 364 days of age per 1000 live births |