The Comptroller and Auditor General (CAG) also asked the Department of Commerce to undertake an outcome analysis of the important schemes implemented to boost the G&J sector from an economic, trading and revenue perspective.
All inverted duty structures, transaction costs, related party transactions, re-export transactions, facilitation measures need to be carefully reviewed before designing an effective promotional scheme, it said.
In its performance audit report tabled in Parliament today, CAG asked the Department of Commerce to review "export incentives allowed on G&J exports, product category and country wise, considering the volume and value of re-imports involved, to safeguard the interest of revenue and to prevent round tripping".
The G&J industry contributes 15 per cent to the export basket. The major product categories of this industry are gold and diamond jewellery. India's diamond manufacturing sector employs about 10 lakh people across the country.
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"The export growth in 2014-15 was much below the rate of 25 per cent envisaged in the Department of Commerce (DoC) strategy, affecting employment generation and other economic indicators," the report said.
On an average 64 per cent of imported gold jewellery was from Switzerland, UAE and Hong Kong out of the 120 odd source countries. However, the importing countries were not being exported to, except in case of UAE and Hong Kong.