Automate Excel to MySQL Imports

I have a growing set of Excel workbooks that must be transferred into a MySQL database on a repeating schedule. The workflow I need is straightforward: read each new or updated workbook, validate the data, then load it into the correct tables without duplicates or broken references... (Budget: ₹12500 - ₹37500 INR, Jobs: Automation, Data Processing, Excel, MySQL, PHP, Python, Software Architecture, Visual Basic)