The document discusses input tax credit (ITC) under the GST Act of 2017. It provides definitions of key terms related to ITC such as input tax, input goods and services, capital goods, and output tax. It outlines the eligibility conditions and limitations for claiming ITC, including possessing valid documents, receiving goods/services, paying suppliers, and filing returns. It discusses apportionment of credit for business and non-business use as well as taxable and exempt supplies. Blocked credits are listed for certain goods/services like motor vehicles. The utilization and ledgers for ITC under GST are also summarized.