KATHMANDU: The Nepal Oil Corporation on Tuesday increased the price of petrol, diesel and kerosene by one rupee which will be effective from 12:00 am midnight. Speaking to THT Online over the phone, NOC spokesperson Birendra Goit informed that petrol will cost Rs 101 per litre while the price of diesel and kerosene has been adjusted to Rs 78 per litre. The prices were adjusted with the increase in fuel prices in the international market, Goit added. NOC spokesperson also clarified that there is no change in the price of cooking gas and aviation fuel. The price had been adjusted recently on December 8.