notification no. 20/2014 f.no.178/91/2006 ita i so 898 e section 80 ia sub clause iii of sub section 4 of the income tax act 1961 deductions profits and gains from industrial undertakings or enterprises engaged in infrastructure development etc. notified

Central Board of Direct Taxes / Income Tax Department notification published on 25 Mar 2014. Open the official source document for the full text.