7. Investment income
 
  Group Company
  31 March
2021
Rm
31 March
2020
Rm
31 March
2021
Rm
31 March
2020
Rm
Investment income 188 79 1 643 2 610
Interest income 188 79 134 691
Dividend income from subsidiaries 1 509 1 919

Interest income relates to interest earned from financial assets (cash and cash equivalents and loans at amortised cost) measured at amortised cost. Interest is recognised on a time proportionate basis, taking into account the principal amount outstanding and the effective interest rate.