Problems in displaying the header data fields in the file format in SAP BOIS?

Hi All

    I was trying to use a sample Excel file in SAP BOIS,which has header row, But while viewing the data in the Info-steward tool, the header data are not getting displayed separately as header names(instead "Col0","Col1" are getting displayed). Upon using the "Proposed Schema"option , if i try to change the names of the fields , then the rows are getting duplicated as shown below:-

THE HEADERS DATA:-

Using the various other options:-