Hi Vinod Sardar,
Unfortunately RadChart does not support non-linear step for the XAxis when the axis is bound to DateTime data so it will not be possible to achieve the desired effect (i.e. the control does not have the capabilities to group unknown number of DataPoints based on their month XValue so a single axis item label is visible for each month, neither is the control able to distinguish months with 28/29/30/31 days).
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