Dari is the official language of Afghanistan and is widely used in education, government, and media. It is also known as Farsi in Iran and Tajikistan.

Bengali is the official language of Bangladesh and is used as the primary medium of instruction in schools and higher education institutions. English is also widely used in education, particularly in higher education.

Dzongkha is the official language of Bhutan and is used as the primary medium of instruction in schools. Nepali is also widely spoken in Bhutan and is used as a medium of instruction in some schools.

Hindi is the official language of India and is used as the primary medium of instruction in schools and higher education institutions in many states. English is also widely used in education, particularly in higher education and in some states.

Dhivehi is the official language of the Maldives and is used as the primary medium of instruction in schools. English is also widely used in education, particularly in higher education.

Nepali is the official language of Nepal and is used as the primary medium of instruction in schools and higher education institutions. English is also widely used in education, particularly in higher education.

Urdu is the official language of Pakistan and is used as the primary medium of instruction in schools. English is also widely used in education, particularly in higher education.

Sinhala is the official language of Sri Lanka and is used as the primary medium of instruction in schools. Tamil is also widely used in education, particularly in schools in Tamil-speaking areas.

Dzongkha is the official language of Bhutan and is used as the primary medium of instruction in schools. Nepali is also widely spoken in Bhutan and is used as a medium of instruction in some schools.

Hindi is the official language of India and is used as the primary medium of instruction in schools and higher education institutions in many states. English is also widely used in education, particularly in higher education and in some states.

Dhivehi is the official language of the Maldives and is used as the primary medium of instruction in schools. English is also widely used in education, particularly in higher education.

Nepali is the official language of Nepal and is used as the primary medium of instruction in schools and higher education institutions. English is also widely used in education, particularly in higher education.

Urdu is the official language of Pakistan and is used as the primary medium of instruction in schools. English is also widely used in education, particularly in higher education.

Sinhala is the official language of Sri Lanka and is used as the primary medium of instruction in schools. Tamil is also widely used in education, particularly in schools in Tamil-speaking areas.