Mango (MangiferaindicaL.) cv. Amrapali" is a considered to be the king of fruit. Mango possess unique nutritional and medicinal qualities apart from being a rich sources of carbohydrate as well as vitamins A and C. The micro nutrients plays as important role in improving the fruit set growth and development, control of fruit drops, fruit maturation and fruit quality. Boron plays an important role for proper development of ovule, pollen tube growth and increases well number of fruit set .It helps in the uptake of calcium and encourages efficient utilization of calcium in plants. It also helps in protein synthesis. Zinc plays an important role in growth and development of fruits. Iron plays an important role associated with the development flavoprotein. The intensity of fruit drop can be minimized and growth and development of fruit can be enhanced by foliar feeding of micro nutrients.