A retired government servant in UP's Lucknow, Anup Kumar Bajpai, who has a childhood love for mangoes, has grown 11 varieties on a single tree in his garden. The 60-year-old recalled his childhood when he used to climb trees and pluck mangoes with cousins as his happiest days. His tree grows Dussehri, Kesar, Mallika, Amrapali and Neelam among other varieties.