Neem tree, also known as Azadirachta Indica, has been in use for centuries; its derivatives have found use in public health, toiletries, livestock production and health. Though in the early 19th century, it was used only in households, during the mid 90s it was started to be used on a commercial basis. The tree is popularly called the 'wonder Tree' as it is used to cure a large number of diseases, both traditional as well as modern medicine system make use oil neem tree and its parts like bark, seed, fruit to manufacture products right from skin care to oral care, from pharmaceuticals to pesticides and manure.

After a number of researches done by eminent scientists and research organisations, the tree is being said to have miraculous powers and a multi utility tree with promising results in a number of disciplines. It ha attained a place of pride in the international scientific research and literature.

The bioactivity of neem tree products has received more attention than any other aspect of neem research. It is also being used with jatrophal and other plants to manufacture bio diesel.

Neem tree is extensively used to manufacture natural and herbal products without any side effects. Its plantation and processing has been found to be economically viable as well as desirable for its social and ecological benefits.

Realising its importance in national, regional and international perspective, there is an urgent need to locate, collect and study its diversity and develop effective steps to store it for current and future use.