Down the Ages: India and China throws light on the long historical and cultural relation between India and China. The film begins by establishing the long history of bonds between India and China. Buddhism was the first common ground between the two nations in the 4th century BC, after which, there has been a rich exchange of culture, ideas and commodities between the two countries. This documentary views India and China as two entities with a shared past and future. With many common issues, the two countries have great opportunity of playing a leading role on a global scale, with help of new policies and agreements.