The first section in chapter 2 of the NCERT Class X Text book in Economics - 'Understanding Economic development' is 'Notes for teachers'. This section explains the concept of sectors of an economy, what kind of activities/discussions with students can be carried out for helping them gain an understanding. | The first section in chapter 2 of the NCERT Class X Text book in Economics - 'Understanding Economic development' is 'Notes for teachers'. This section explains the concept of sectors of an economy, what kind of activities/discussions with students can be carried out for helping them gain an understanding. |