Q.No Leaves On Chinaberry
In last season we did pruning but now since spring season is here, No leaves on branches till yet. Though in our neighborhood leaves came. Please guide how I can save our oldest chibaberry

Certified GKH Gardening Expert
It is very likely that it has reached the end of its lifespan. These trees are known to have a short life, and can die out, seemingly, for no reason.
You will likely need to start a new tree from seed, or cutting.
Here is an article with more information on the tree: https://www.gardeningknowhow.com/ornamental/trees/chinaberry/chinaberry-tree-information.htm