Tax exemption recognition under section 10(23C)(iv) extends to Atma-Vallabh Samaj Utkarsh Trust for specified assessment years. Central Government notification recognizes Atma-Vallabh Samaj Utkarsh Trust as entitled to tax-exempt status under 10(23C)(iv) of the Income-tax Act, identifying the trust for the purposes of that provision and confining the recognition to the assessment years covered by the notification.