Islamabad: Prices of petroleum products are likely to be scaled up from November 16 by Rs 6 per liter.The price of petroleum products is likely to be increased by Rs 6 per liter for next 15 days.According to sources the per liter price of petrol can be increased by Rs 2.50 and high speed diesel by Rs 5.91. Kerosene oil price can be enhanced by Rs 5.54 per liter and light diesel oil by Rs 5.90 per liter.Oil companies have sent working regarding petroleum products to OGRA. The change in the prices of petroleum products will be made in proportion to international market prices.OGRA will send working regarding prices to government on November 15 and final approval will be given in consultation with the prime minister.Finance ministry will issue notification regarding prices on November 15.