Q.Mango Tree Related Problem
s comes but leaves not come. Many medicine which shopkeeper suggested, I tried all medicines but no effect. Small buds (in hindi kalla) comes but no progress. Please tell me what can I do.

Certified GKH Gardening Expert
This does appear as bacterial disease. Heavier fungicides, containing copper, will be necessary. Proper care will be necessary, as well. Here are some articles that will help:
https://www.gardeningknowhow.com/garden-how-to/info/what-is-copper-fungicide.htm
https://www.gardeningknowhow.com/edible/fruits/mango/growing-mango-trees.htm