Hi Rambabu,

I've attached a sample solution that exports the columns, rows and measures used in the XamPivotGrid.  I took the code from the Infragistics samples and added some extra code to export the required items. 

// Build the columns list.
int currentCell = 1;
XmlaDataSource datasource = (XmlaDataSource)this.pivotGrid.DataSource;
SetCellValue(sheetOne.Rows[0].Cells[0], "Column Dimensions:", "Columns", "Right");
foreach (FilterViewModelBase filterVM in datasource.Columns)
    SetCellValue(sheetOne.Rows[0].Cells[currentCell++], filterVM.Caption, "Columns");

// reset;
currentCell = 1;

// Build the rows list.
SetCellValue(sheetOne.Rows[1].Cells[0], "Row Dimensions:", "Rows", "Right");
foreach (FilterViewModelBase filterVM in datasource.Rows)
    SetCellValue(sheetOne.Rows[1].Cells[currentCell++], filterVM.Caption, "Rows");

// reset;
currentCell = 1;

// Build the measures list.
SetCellValue(sheetOne.Rows[2].Cells[0], "Measures:", "Measures", "Right");
foreach (BaseMeasureViewModel measureVM in datasource.Measures)
    SetCellValue(sheetOne.Rows[2].Cells[currentCell++], measureVM.Caption, "Measures");

Let me know if you have any questions on this.