Customer Data Entry & GST

I have a series of customer records sitting in multiple Excel workbooks that must be keyed in manually so my accounting and GST filings stay clean and compliant. Every line—names, addresses, GSTINs, invoice... (Budget: ₹750 - ₹1250 INR, Jobs: Accounting, Data Analysis, Data Cleansing, Data Entry, Data Management, Data Processing, Excel, Excel Macros)