Question

What are the four main occupations of northern plains?

Answer 1

Hiyaaaa mate...
The major occupations in the northern India are:
1. Agriculture
2. Labour
3. Weaving
And so on..
Hope this helps you

Answer 2

Agriculture is the main occupation of people living in northern plains of India.

In the hilly areas, they prefer sheep farming while in some other means of livelihood preferred by them include the following:

Forestry, Fishing, Transportation