When Export to Excel Column Allignment is Mismatching

Dear Expert ,

I am using Visual Studio 2010 and  CR Version 13 Service Pack 13.0.6.1027  . . My report is working fine when export to PDF ,

But Same report when I export to Excel Record  Format  , Column is getting  mismatching ..

I am using Following Code to export in Excel Record .

rpt.ExportToHttpResponse(ExportFormatType.ExcelRecord, Response, False, "Profit_Loss")