Section 10(23C)(iv) notification recognizes Akhil Bharat Krishi Goseva Sangh for tax-exemption purposes for specified assessment years. The Central Government, invoking clause (iv) of sub section (23C) of section 10, notifies Akhil Bharat Krishi Goseva Sangh, Wardha as entitled to the benefits of that clause for a defined series of assessment years, identifying the organization by name and fixing the temporal scope of recognition.