Expense Booking

You can make payment after deduction of TDS and book the expenses at the same time, using Journal Voucher(F7).
Go to Journal Voucher screen(Gateway of Tally -> Accounting Vouchers -> F7), select the expense ledger in the particulars column and enter the amount in the Debit column. Then select the name of the party, from whom TDS is to be deducted. Press enter. You will be able to view Bill-wise Details.
In Bill-wise Details screen, select the New Ref under Method of Adj., enter other details, then select the TDS ledger from the list, the rate will be displayed automatically. Press 'Y' to accept the voucher.