Which ocean basin borders the southern coastline of the Asian continent, influencing regional monsoon systems that bring heavy seasonal rainfall to countries like India and mountain regions like Sikkim?

💡 Solution & Explanation

The Indian Ocean lies to the south of the Indian subcontinent, serving as the primary moisture source for the monsoon winds that sweep northward over the landmass and trigger heavy precipitation in Himalayan regions like Sikkim. The Arctic Ocean is located in the far north, the Atlantic separates the Americas from Europe and Africa, and the Southern Ocean encircles Antarctica. Thermal contrasts between the Indian Ocean and the heated Asian landmass drive the seasonal reversal of winds known as the monsoon.