https://help.tallysolutions.com/docs/te9rel60/Reports/Display_Registers_Ledgers/Display_MultiColumn_Cash_Book.htm

Displaying Multi-Column Cash Book

To display Multi-Column Cash Book, you need to select multiple ledgers and use Alt+C. By default the Multi-Columnar Cash Book is displayed for the current period. Press F2 button (Change Period) to display the multi-column cash book for a selected period.

     Use the New Column button to bring up the Petty Cash book Monthly Summary along with the discount column monthly summary.

     Press New Column on the Button bar or ALT+C and change the Name of Ledger. The columnar report is displayed as shown:

Note: Comparison of data using multi-columnar reporting is useful when you want to display multiple ledgers along with their opening or closing balances.