I assume you're referring to Mr. Satyanarayana, an author or expert who has written materials (possibly in PDF format) on SAP FICO.

SAP FICO (Financial Accounting and Controlling) is a module in SAP ERP (Enterprise Resource Planning) system that handles financial accounting, controlling, and reporting. It's a comprehensive module that supports various business processes, including financial statement preparation, asset accounting, cost accounting, and more.