Kathmandu. With the Nepal Oil Corporation implementing a significant hike in petroleum prices, the cost of petrol has reached an all-time high today. On Thursday, the corporation decided to increase the price of petrol and diesel by 15 rupees per liter.According to the decision made by the corporation's board of directors on Chaitra 19, the increased prices came into effect from 12:00 AM today. Under the new price list, petrol in the Kathmandu Valley is now 202 rupees per liter, while diesel and kerosene are priced at 172 rupees per liter.The corporation stated that fuel prices in the international market...