Columbia subject headings:
Bhutan--Foreign relations--India.
India--Foreign relations--Bhutan.
India--Foreign relations--China--Tibet Autonomous Region.
India--Foreign relations--India--Sikkim.
India--Foreign relations.
Sikkim (India)--Foreign relations--India.
Tibet Autonomous Region (China)--Foreign relations--India.
Harvard subject headings:
Himalaya Mountains Region--Foreign relations--India.
Himalaya Mountains Region--Politics and government.
India--Foreign relations--Himalaya Mountains Region.
Princeton subject headings:
Bhutan--Foreign relations--India.
India--Foreign relations--Bhutan.
India--Foreign relations--China--Tibet.
India--Foreign relations--History.
India--Foreign relations--India--Sikkim.
Sikkim (India)--Foreign relations--India.
Tibet Autonomous Region (China)--Foreign relations--India.