S. 80IA :Industrial undertakings – Derived – Interest- compensation- miscellaneous income- Interest earned on short term deposits – Entitle deduction in respect of interest on deposits, compensation received on machinery breakdown and miscellaneous income-Interest earned on short-term deposits of money kept apart for purpose of business has to be treated as income earned on business and cannot be treated as income from other sources and is deduction [ S.28((i), 56 ]