Thank you very much for your reply. I wanted the values in form of Monday, Tuesday etc. Fortunately, I had already figured it out while looking around Knowledge Base and online documentation... 
The solution is like,
NDateTimeScaleConfigurator timeScale = new NDateTimeScaleConfigurator();
barChart1.Axis(StandardAxis.PrimaryX).ScaleConfigurator = timeScale;
timeScale.AutoDateTimeUnits = new Nevron.NDateTimeUnit[] { Nevron.NDateTimeUnit.Month };
Thanks,
Bhumi