<Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> Indian agriculture began by 9000 BCE as a result of early cultivation of plants, and domestication of crops and animals . Settled life soon followed with implements and techniques being developed for agriculture . Double monsoons led to two harvests being reaped in one year . Indian products soon reached the world via existing trading networks and foreign crops were introduced to India . Plants and animals--considered essential to their survival by the Indians--came to be worshiped and venerated . </P> <P> The middle ages saw irrigation channels reach a new level of sophistication in India and Indian crops affecting the economies of other regions of the world . Land and water management systems were developed with an aim of providing uniform growth . Despite some stagnation during the later modern era the independent Republic of India was able to develop a comprehensive agricultural programme . </P> <P> In the period of the Neolithic revolution, roughly 8000 - 4000 BCE, agriculture was far from the dominant mode of support for human societies . Agro pastoralism in India included threshing, planting crops in rows--either of two or of six--and storing grain in granaries . Barley and wheat cultivation--along with the rearing of cattle, sheep and goat--was visible in Mehrgarh by 8000 - 6000 BCE . </P>

Name the four plantation crops introduced by british in india and places they were grown in