Indian plants represent a rich source of phytochemicals for biopesticides and raw material for agro industries. Among them, neem (Azadirachta indica) has been in the limelight in recent years as it has been exploited for commercial products and found suitable for environmental protection.

Agriculture must supply all people with enough food to prevent widespread hunger and starvation. However, food security is aggravating day by day, resulting in more number of undernourished/malnourished persons in the world. The ever-increasing population in the developing and less developed countries is also a major constraint.