This document provides an overview of basic income tax concepts in India. It defines key terms like assessee, previous year, assessment year, and heads of income. It explains the different types of taxes in India including direct and indirect taxes. It also outlines the criteria for determining an individual's residential status for income tax purposes as normal resident, resident but not ordinarily resident, or non-resident. Specific examples are provided to illustrate how to determine an individual's residential status based on their period of stay in India.