https://www.taxtmi.com/circulars?id=9552 The instruction explains that because raw diamonds cannot be exported, imported rough diamonds are processed in India and exported as cut and polished stones with Customs certification, and because replenishment imports and imprest licences tie imports to actual exports, exports of cut and polished diamonds and gemstones do not amount to "minerals and ores" and thus qualify for deduction under section 80-HHC. en-us Thu, 24 May 1984 00:00:00 +0530 Mon, 06 Jun 2011 18:41:00 +0530 TaxTMI RSS Generator https://www.taxtmi.com/circulars?id=9552 The instruction explains that because raw diamonds cannot be exported, imported rough diamonds are processed in India and exported as cut and polished stones with Customs certification, and because replenishment imports and imprest licences tie imports to actual exports, exports of cut and polished diamonds and gemstones do not amount to "minerals and ores" and thus qualify for deduction under section 80-HHC. Circulars Income Tax Thu, 24 May 1984 00:00:00 +0530 https://www.taxtmi.com/circulars?id=9552