Tax exemption notification: charitable society notified subject to income application, investment, accounting and reporting conditions for prior assessment years. Notification designates Bharatiya Bhasha Parishad, Kolkata as eligible for tax-exempt treatment for specified assessment years provided it applies or accumulates income solely to its objects, limits investments to permitted forms, treats business income as excluded unless incidental and separately accounted, files returns regularly, and on dissolution transfers surplus and assets to a similarly purposed charitable organization.