Clean Mixed CSV Data

I have several Excel/CSV files that contain a mix of text and numeric fields. They need a thorough data-cleaning pass so the information is analysis-ready: duplicates removed, spelling and capitalization standardized, numeric columns properly typed, and obvious entry errors fixed... (Budget: ₹12500 - ₹37500 INR, Jobs: Data Analysis, Data Annotation, Data Entry, Data Management, Data Processing, Excel, Python, Visual Basic)