Learn Tally ERP-9 Computer Course at ATTITUDE Tally Academy Best Tally learning Institute in east Delhi,Yamuna Vihar . Tally ERP 9 provides a comprehensive solution to the accounting and inventory needs of a business. The package comprises financial accounting, book-keeping and inventory accounting. Tally is popularly known as an accounting software for small and medium businesses. It does all the functions of accounting that a particularly mid sized business has.