The average modal price of onion in the retail markets was ruling at Rs 110 per kg.

The revised stock holding limit would not be applicable for imported onions.

Wholesale onion prices are about 40 rupees (55 cents) per kg, down slightly from 55 rupees earlier this month.

Even after assurance from the Centre on the supply issue, many cities have been witnessing sky-rocking prices of the bulb in several mandis.

Nafed officials have been asked to visit the onion growing region of Nashik in Maharasthra to take stock of the situation.

The data maintained by the Consumer Affairs Ministry also showed retail price of onion ruling high at Rs 55/kg in the NCR.

In June, India withdrew 10 per cent export incentives on onions after prices started to rise due to dwindling supplies.

Export of all varieties of onions...is prohibited with immediate effect, said Directorate General of Foreign Trade.

The centre has a buffer stock of 56,000 tonnes of onion, of which 16,000 tonnes has been offloaded so far.

Onion prices are under pressure due to likely fall in kharif (summer) production owing to 10 per cent decline.