Exemption under Section 10(23C)(iv): donations received on behalf of the institution excluded from donor income, subject to compliance. Any income received by any person on behalf of Raja Rammohan Roy Library Foundation is exempt under Section 10(23C)(iv) from inclusion in that person's total income, provided the Institution applies or accumulates income for its objects subject to accumulation limits, confines investments to modes permitted by section 11(5), treats business income as incidental only if kept in separate books, files returns regularly, obtains an accountant's audit and prescribed audit report, and transfers surplus assets on dissolution to like-minded organizations; the exemption is applicable to recipients and is subject to rescission for non-genuine activities or non-compliance.