The Indian subcontinent is a sizable peninsula. It is surrounded on three attributes by : the Arabian Sea, the Indian Ocean, and the Bay of Bengal. Within the north, the Himalayan Mountain independent India from the others of Asia. The towering Himalayas form a almost impassable barrier that is 1, 500 miles long. The strong Hindu Kush Mountains on the Northwest also present obstacles to travel. These geographic obstacles allowed the first Indian civilization to develop mostly..