Onion supply to the city, which comes from Maharashtra, Rajasthan and Madhya Pradesh, is normal at 12,000 quintals in Azadpur, Asia's largest wholesale market, it added.
Prices of the kitchen staple in Azadpur mandi, Asia's largest wholesale market, were ruling at Rs 60 per kg today as supplies were below normal.
In the coming weeks prices are expected to further cool down as new crop from Karnataka has started coming into the market.
To give relief to Delhiites, the National Agricultural Cooperative Marketing Federation of India Ltd has started selling onions at Rs 55 a kg through its five retail outlets and two mobile vans in the national capital.
Traders said wholesale prices are firm as supplies from producing regions have been lower in the past couple of days.