Prices of onion in the key markets of Delhi were slightly down due to an increase in arrivals. At Azadpur, the benchmark market in Delhi, onion was quoted at 550-600 rupees per 100 kg, down 10-20 rupees. Arrivals were pegged at 100 trucks, each carrying 15-20 tn of the vegetable. The key markets of Lasalgaon and Pimpalgaon in Maharashtra remained closed on account of Janmashtami.