Correct Answer: (d) White browed gibbon of Assam
Solution:White browed Gibbon found in India's northeast region is an Anthropoid ape of the Indian sub-continent. Male gibbons have black coats and white brows. Female gibbons have brown coats with darker chests and necks. They have long arms and torsos, short legs, and thin hands and feet. Their fingers have short flexors that help them grasp branches. They use brachiation, a form of arboreal locomotion, to swing between trees. They eat leaves, fruits, and insects