Foreign currency income conversion uses the telegraphic transfer buying rate on category-specific specified dates. Prescribes the telegraphic transfer buying rate for converting foreign-currency income into rupees on the specified date. The specified date depends on the nature of income, including salaries, interest on securities, house property, business or profession, dividends, and capital gains. For income payable in foreign currency subject to tax deduction at source, the specified date is the date tax was required to be deducted. The rule does not apply to certain income received in or brought into India before the specified date in accordance with foreign exchange law.