To have a parallel accounting using multiple ledgers we have to use following configuration activity. Here we are activating particular non-leading ledgers per company code and we are setting currencies, fiscal year and posting period variant.
IMG Path: Financial Accounting (New) -> Financial Accounting Global Settings (New) -> Ledgers -> Ledger -> Define and Activate Non-Leading Ledgers
Table: T882G, T881, T881T, T001
Choose the non-leading ledger which you want to activate.
Activate it for the required company codes with settings according to your needs.