Exemption under section 10(23C)(v): notification grants tax-exempt status to Delhi Catholic Archdiocese for the assessment year. Notification under section 10(23C)(v) of the Income-tax Act, 1961 designates Delhi Catholic Archdiocese, New Delhi as falling within that sub-clause for assessment year 1988-89, thereby bringing the named institution within the statutory exemption framework for that specific assessment period.