Petroleum and oil marketing companies raised the price of commercial liquid petroleum gas (LPG) cylinders by Rs. 350.50 per unit and domestic LPG cylinders by Rs. 50 per unit with immediate effect from Wednesday. According to the revised rates, commercial LPG cylinders will now cost Rs. 2,119.50 per unit in Delhi and the price of domestic LPG cylinders will be Rs. 1,103 per unit, in the national capital. This is the second hike in commercial LPG cylinder prices this year.