Hi Krishna,
The chart in the image looks unsorted, so it could be in the manual order. Why does it look wrong to you?
Generally, to achieve manual sorting order, the order number has to be saved to some field and present in data you are passing in chart.
However the order number does not have to be displayed. Just omit it, when defining series. Here is an example, sorted by invisible field v0:
https://jsfiddle.net/jansons_gatis/hgwy8eek/