Explanation:

- New Final Goods and Services: These are included in the national income as they represent the value of goods and services produced within a country within a specific period.

- Earned Income of Indian Companies Abroad: This is part of the national income because it contributes to the Gross National Product (GNP), which accounts for income from domestic companies' foreign ventures.

- Expenses Made by Foreign Tourists in the Country: These are included as they represent foreign spending within the country, directly boosting the economy and adding to national income.

- All the above (Option 4): This option is correct as all the mentioned elements contribute to the national income calculation.