Excel Data Deduplication & Cleaning

I’m working with an Excel worksheet that has grown messy over time and now contains unwanted, exact duplicates. I need a careful clean-up focused on three key columns—Name, Email, and Phone number—so the finished file is accurate, tidy, and easy to maintain... (Budget: ₹12500 - ₹37500 INR, Jobs: Data Analysis, Data Entry, Data Management, Data Processing, Excel, Excel Macros, Excel VBA, Visual Basic)