Nanotechnology has a wide array of opportunities in the variant fields i.e., agriculture {ex: pesticides, fungicides, weedicide etc.,}, medical, pharma, Electronic etc..,. The reduction of pests by the application of Nano-technology through Nano-chemicals application. The indigenous application of chemicals for the control of agriculture pests and diseases. Due to the application of the inorganic chemicals enormously leads to drastic losses like soil pollution, water pollution and also their residual effect leads to the loss in the yield of succeeding crop along with the effects on animals and human beings. Agriculture in developing countries is a major part of their income which comes from agriculture sector and more than half of the population depends on it for their livelihood. A large proportion of those livings in developing countries face daily food shortages as a result of environmental impacts, pest & fungal occurrence. For developing countries, the drive is to develop drought and pest resistant crops which also maximize yield.