Group the following features pertaining to the economies of India, China and Pakistan under three heads. <br>

1. One-child norm <br>
2. Low fertility rate <br>
3. High degree of urbanisation <br>
4. Mixed economy <br>
5. Very high fertility rate <br>
6. Large population <br>
7. High density of population <br>
8. Growth due to inanufacturing sector <br>
9. Growth due to service sector