Kathmandu, September 1: The Nepal Oil Corporation (NOC) has slashed down the price of petroleum products effective from today. According to the new tariff, the petrol price has been reduced by 2 rupees per liter, whereas, the diesel and kerosene prices has reduced by I rupees per liter. The price for one liter of petrol in the Kathmandu Valley is now Rs 163 per liter. Likewise, the price of domestic aviation fuel has been slashed by Rs 5 per liter, while international aviation fuel prices have been reduced by $37 per kilometer. The price of LP gas for cooking remains unchanged. People’s News Monitoring Service.