Kathmandu, March 16: The Nepal Oil Corporation has cut down the price of petrol by one rupee and diesel and kerosene price by two rupees per liter effective from today. The Corporation, following the reduced tariff sent by the Indian Oil Corporation, has cut down on the price of petroleum products, however, the price of aircraft fuel has remained as it is. According to the new tariff, in the Kathmandu Valley, the price of petrol is set at 171 rupees, whereas, the price of diesel and kerosene is 158 rupees per liter. People’s News Monitoring Service.