Excel Data Cleanup & Standardization

I have several Excel and CSV files that are perfectly serviceable in size but frustratingly inconsistent. Before I can move forward with analysis, I need every sheet cleaned and organized. Your main objective... (Budget: ₹12500 - ₹37500 INR, Jobs: Copy Typing, Data Analysis, Data Entry, Data Management, Data Processing, Data Visualization, Excel, Excel Macros, PDF, Word)