Tax exemption under section 10(23C)(iv): Lal Bahadur Shastri National Memorial Trust notified as exempt for the assessment year. Notification under section 10(23C)(iv) records the Central Government's specification of Lal Bahadur Shastri National Memorial Trust as a notified institution for the purposes of that clause, thereby placing the Trust within the statutory framework that permits tax-exempt status under that provision and applying to the specified assessment year.