S. 10 (23C): Educational institution-Clerical omission, deduction was claimed under section 10(23C)(iiiad) instead of the correct section 10(23C)(vi)-Order of Assessing Officer rejecting the request for rectification was set aside. [S. 10(23C)(iiiad), 10(23C)(vi), 11,12, 12AA Form No.10B]