This document provides an overview of basic income tax concepts in India. It defines tax and describes the two main types: direct and indirect. Direct taxes are levied directly on income or wealth, while indirect taxes are levied on goods/services and passed on to consumers. Taxes provide government revenue for expenses like defense, education, healthcare and infrastructure. The Income Tax Act of 1961 and annual Finance Acts govern income tax in India, along with rules, circulars, and legal precedents. Income tax applies to various entities and is levied on total income as computed through several steps like determining residency status, classifying and deducting income, setting off losses, and applying tax rates along with surcharges.