National Cooperative Consumers' Federation (NCCF) has started subsidised retail sale of onions at Rs 19 per kg in Delhi-NCR, well below the prevailing market price of Rs 25-35 per kg. Onion retailing will be done through mobile vans operating across the Delhi-NCR region at 16 locations, including INA Market, R K Puram, Model Town, and Shalimar Bagh. Onion will also be sold at NCCF's retail store at Nehru Place and outlets located in major metro stations like Udyog Bhawan, Rajeev Chowk and Patel Chowk, the cooperative said in a statement. NCCF is selling onions sourced from Nashik, Maharashtra, and stored in controlled-atmosphere (CA) cold storage using a newly developed irradiation technology recommended by the Bhabha Atomic Research Centre (BARC). The new technology has been piloted to reduce storage losses and stabilise supply. "After four months of storage at the CA cold store, the Grade A rabi onions, pink in colour and known for their sweeter taste compared to the red Kharif .