S. 10B: Export oriented undertakings – Interest from fixed deposits made with Bank for obtaining letters of credit which has direct nexus with export activities is to be includable in computing the income -Matter was remanded for verification-Insurance claim which has direct nexus with industrial undertaking are eligible for deduction . Foreign exchange gain on sale of forward exchange contract arising out of eligible undertaking is entitle to deduction . Export proceeds that were unrealized, claimed that period for realization, had been extended by RBI Master Circular dated 1-7-2005 was directed to be allowed subject to verification . [ S.10A ]