The survey operations were carried out in at least four locations, including the popular Dariba Kalan, Chandni Chowk and Karol Bagh.
The government last week demonetised high denomination of Rs 500 and 1,000 notes to flush out black money.
Most of the jewellery showrooms here have been closed since November 11.
According to sources, the officials of Directorate General of Central Excise Intelligence (DGCEI), an intelligence arm under the Finance Ministry, has sent notices to these jewellers seeking details of the gold sales.