Guava (Psidium guajava L.), belongs to the family Myrtaceae. It is called as "apple of the tropics", and grown successfully throughout tropical and sub-tropical climatic regions of India. Guava is one of the richest natural sources of vitamin C containing two to five times more than oranges and ten times more than tomato. It is rich sources of calcium, phosphorous and iron which are necessary for human health. It is also one of the most important fruits trees grown in India which has just comparative low cost of fruit production combined with high nutritive values makes it ideal desert fruit for the common man.