Under the current Tax Deducted at Source (TDS) regime in India, concerning the payment of interest on deposits other than interest on securities, what is the mandatory action required by a bank when a non-senior citizen customer receives a total interest income of 48,000 in a financial year but fails to furnish a valid PAN?

A corporate borrower pays a commission of 1,20,000 to a scheduled bank for a bank guarantee. According to the Income Tax Act, what is the TDS rate and amount applicable on this transaction if the recipient is a banking company?

A bank customer has three Fixed Deposits in the same branch. FD 1 earns 15,000 interest, FD 2 earns 12,000, and FD 3 earns 18,000 in a financial year. The customer is 45 years old and has provided a valid PAN. Calculate the total TDS amount the bank must deduct at the end of the year under Section 194A.