S. 80IA : Industrial undertakings-Enterprises engaged in infrastructure development-Developer and contractor-Work of irrigation project and construction and development of road-Not works contractor but developer undertaking projects of Infrastructure Facility-Organisations awarding contracts were 100 Per Cent. owned by State Government-Entitle to deduction-Interest income-Only net interest income to be excluded.[S.80-IA(4A), 80IA(13)]