The government has approved import of 400,000 tons of urea to meet its shortage in the remaining period of Rabi and Kharif season 2009-10 and sell it through government mechanism involving a subsidy of about Rs600 per bag.A decision to this effect was taken on Tuesday at a meeting of the Economic Coordination Committee (ECC) of the Cabinet presided over by Prime Minister Yousaf Raza Gilani.