The document provides an overview of the Goods and Services Tax (GST) system that is proposed to be implemented in India. It discusses what GST is, the need for GST to replace existing tax structures, the justification for GST at central and state levels, the proposed dual GST model, key features of GST including coverage, tax rates, registration requirements, invoices, and periodic tax payments. It also addresses taxes that may be subsumed under GST, treatment of exports and imports, inter-state transactions, and emerging issues related to implementation.