New Delhi [India], September 1 (ANI): Oil marketing companies have increased the rate of 19 kg commercial LPG gas cylinders by Rs 39, effective from Sunday. After the hike, the retail sales price of a 19 kg commercial LPG cylinder in Delhi is Rs 1,691.50. Earlier on July 1, in a move to offer relief to businesses and commercial enterprises, oil marketing companies had announced a reduction in the prices of commercial LPG gas cylinders. The price of the commercial LPG cylinder of 19 Kg was slashed by Rs 30. Consequently, the new retail sales price of a 19 kg commercial LPG cylinder in Delhi was…