for the six months ended 30 September 2013
| September 2013 | September 2012 | |
|---|---|---|
| Rm | Rm | |
| Total Revenue | 16 482 | 16 454 |
| Operating revenue | 16 192 | 16 146 |
| Other income (excluding profit on disposal of property, plant and equipment, intangible assets, investments and profit on disposal of subsidiary) | 167 | 159 |
| Investment income | 123 | 149 |
Operating revenue increased due to higher mobile data revenue and higher data revenue from Cybernest partially offset by lower fixed-line voice and interconnection revenue.
Investment income decreased due to lower levels of cash available for investment.