Charitable exemption under section 10(23C)(vi) granted to an educational society subject to specified operational and compliance conditions. Notification under section 10(23C)(vi) notifies Liberty Educational Society, Mumbai for specified assessment years subject to conditions: apply income wholly to its objects; restrict investments to forms permitted by the statutory investment regime (excluding certain voluntary-contribution goods); exclude non-incidental business income unless separate books are maintained; regularly file income-tax returns; and on dissolution transfer surplus and assets to a charitable organisation with similar objectives.