https://www.taxtmi.com/notifications?id=20980 Exemption relieves Hindustan Aeronautics Limited from customs duty in excess of that calculated at 25% ad valorem and from the whole of additional duty under section 3 on scientific and technical instruments (including spare and component parts but excluding consumables) imported for defence research, conditional on a Joint Secretary's certificate of essentiality and exclusive research use and a Directorate General of Technical Development certificate that the goods are not manufactured in India, both produced to the Assistant Collector of Customs at clearance or within an allowed period. en-us Fri, 03 Jul 1987 00:00:00 +0530 Tue, 01 Sep 2009 10:29:00 +0530 TaxTMI RSS Generator https://www.taxtmi.com/notifications?id=20980 Exemption relieves Hindustan Aeronautics Limited from customs duty in excess of that calculated at 25% ad valorem and from the whole of additional duty under section 3 on scientific and technical instruments (including spare and component parts but excluding consumables) imported for defence research, conditional on a Joint Secretary's certificate of essentiality and exclusive research use and a Directorate General of Technical Development certificate that the goods are not manufactured in India, both produced to the Assistant Collector of Customs at clearance or within an allowed period. Notifications Customs Fri, 03 Jul 1987 00:00:00 +0530 https://www.taxtmi.com/notifications?id=20980