(2)"specified date" means-(a)in respect of income chargeable under the head "Salaries", the last day of the month immediately preceding the month in which the salary is due, or is paid in advance or in arrears;(b)in respect of income by way of "interest on securities", the last day of the month immediately preceding the month in which the income is due;(c)in respect of income chargeable under the heads "Income from house property", "Profits and gains of business or profession" not being income referred to in clause (d) and "Income from other sources" (not being income by way of dividends and "Interest on securities"), the last day of the previous year of the assessee;(d)in respect of income chargeable under the head "Profits and gains of business or profession" in the case of a non-resident engaged in the business of operation of ships, the last day of the month immediately preceding the month in which such income is deemed to accrue or arise in India ;(e)in respect of income by way of dividends, the last day of the month immediately preceding the month in which the dividend is declared, distributed or paid by the company;(f)in respect of income chargeable under the head "Capital gains", the last day of the month immediately preceding the month in which the capital asset is transferred :Provided that the specified date, in respect of income referred to in sub-clauses (a) to (f) payable in foreign currency and from which tax has been deducted at source under rule 26, shall be the date on which the tax was required to be deducted under the provisions of the Chapter XVII-B.