S. 11: Property held for charitable purposes-Belated filing of Form No. 10B-Revenue was not justified in denying the benefit of exemption-AO is directed to take on record both the audit reports filed for respective assessment years, treat them as filed in compliance with provisions of s. 12A(1)(b) and then assess the total income of the assessee after giving effect to the provisions of ss. 11 and 12.[S. 12, 12A,139(4A), Form No 10B]