This document discusses residential status for tax purposes in India. It defines resident and non-resident status for individuals, HUFs, firms, companies and other persons. For individuals, residential status can be resident and ordinarily resident, resident but not ordinarily resident, or non-resident. The criteria for each status is explained, such as being in India for a certain number of days. The tax treatment of income differs based on residential status, such as residents paying tax on worldwide income and non-residents paying tax on India-source income. Specific types of income that are considered to accrue or arise in India are also outlined.