The survey operations were carried out on November 10 in at least four locations in Delhi-NCR region, including Dariba Kalan, Chandni Chowk and Karol Bagh.
The government on November 8 announced the demonetisation of 500 and 1,000 rupee notes to flush out black money.
Most of the jewellery houses have been closed since November 11 in the national capital.
According to the sources, the officials of Directorate General of Central Excise Intelligence (DGCEI), an arm under the Finance Ministry, has sent notices to these jewellers seeking details of the gold sales.
PTI