Match statuses
For each status you can compare Count, Taxable Value, and Tax Value between your GSTR-2B data and your purchase register, with the Difference called out on the right. The Total row at the bottom ties it together.
Other views
Invoice View
Each invoice shows its 2B line and your purchase register line stacked together, so a different amount, number, or date is easy to spot, along with the Tax Difference. This is also where you classify each credit.Classify ITC and export
Set an action on each invoice, then export the workbook.