Excel Text Deduplication Cleanup

I have between three and five Excel sheets filled with text-only entries that need a straightforward cleanup: every duplicate row must go. No reformatting, no case-standardisation—just accurate deduplication while preserving the original column structure and any unique records exactly as they are... (Budget: ₹12500 - ₹37500 INR, Jobs: Data Analysis, Data Entry, Data Management, Data Processing, Excel, Excel Macros, Google Sheets, Visual Basic)