Step 1: Understanding the Commands in Tally.
In Tally, the Alt+D command is used to delete a voucher. It allows users to remove any unwanted or incorrect vouchers from the accounting system. The Alt+C command, on the other hand, is used to create a new voucher. Step 2: Conclusion.
The correct answer is Alt+D, as this command is used to delete a voucher in Tally.