This gallery depicts the bio-cultural evolution of man through the different stages. Large-scale panel paintings, dioramas and pictorial charts are utilized to present the progressive march of human culture in the pre-historic period highlighting ecology and economy. It is a mirror of the pre-historic past of humankind.

North East India has its own peculiar geological and topographical features. There are snow-clad mountains bordering Tibet, as well as large expanse of plains with its sweltering heat, and pouring rains which fill to the brim the famous Brahmaputra and Barak rivers.

The gallery by means of large black and white and coloured photographs introduces the visitor to the immense topographical richness of the region. The 20 life-size models and 52 carefully and scientifically fabricated fibreglass busts show the physical features of the various peoples of the region.