Which countries are included in the South Asian Region ?

(1) India, Sri Lanka, Singapore, Malaysia, Nepal, Pakistan, Bhutan
(2) Bhutan, Nepal, Sri Lanka, Pakistan, Thailand, Singapore, Maldives
(3) Bangladesh, Bhutan, India, Maldives, Nepal, Pakistan and Sri Lanka
(4) Indonesia, India, Singapore, Pakistan, Afghanistan, Sri Lanka, Nepal

3

The expression ‘South Asia’ usually includes the following countries: Bangladesh, Bhutan, India, the Maldives, Nepal, Pakistan, and Sri Lanka.