The sources are,
1. Profits from any trade or business
2. Profits from profession or vocation
3. Profits from any employment
4.Income from Rent
5.Net Annual Value of lands and improvements
6. Dividends
7. Interest or Discounts
8. Charges and Annuities
9. Royalties and Premiums
10. Capital Gains
11. Income from any other source other than profits of a casual and non recurring nature.