Tax exemption for institution receipts conditioned on exclusive application, permitted investments, separate business accounts, and filing compliance. Notification under Section 10(23C)(iv) excludes from recipients' taxable total income any amounts received on behalf of the Institute of Rail Transport, New Delhi, subject to conditions: application or limited accumulation of income for institutional objects with a capped accumulation period; permitted modes of investment as per section 11(5); exclusion of business receipts unless incidental and separately accounted; regular filing of returns by recipients; and transfer of surplus and assets to a like-minded organization upon dissolution. The exemption applies only to receipts received on behalf of the Institution.