No. 169/90 - Dated: 18-12-1990 - CE
Exemption to all excisable goods produced in a hundred per cent export oriented undertaking or a free trade zone and allowed to be sold in India
No. 47/90 - Dated: 8-11-1990 - CE (NT)
Exemption to mineral oils manufactured by reprocessing of waste or used lubricating oil during the period prior to 1-10-1990