Uttar Pradesh Mango Man: For Kalimullah Khan (Kaleem Ullah Khan), growing mangoes has been a family business for more than 150 years. He experimented with cultivating numerous mango varieties on the same tree after beginning the various grafting techniques many years ago. More significantly, there are numerous trees, each of which is home to a separate mango grove. There are 300 different varieties of mangoes on its branches. Just like no two human fingerprints are alike, no two mangoes on the same tree are exactly alike.