Cascading problem

cascading (Block- panchayat- fg-village).xlsx (13.4 KB)
I have uploaded the file on ODK - XLSForm Online v2.x (getodk.org) and got this message

Error: The survey sheet is either empty or missing important column headers.

I am able to understand it. Please help

Have you gone through our support article Adding Cascading Select Questions? It should help you solve your issue.