Petrol prices were increased for the third consecutive day on August 22. This was also the sixth time petrol prices were hiked within a span of seven days. Petrol prices were raised by 16 paise in Delhi to Rs 81.35 a litre and Rs 88.02 a litre in Mumbai. However, diesel prices have remained steady for 23 days now. Petrol prices have been on a constant increase since August 16 by a margin of 92 paise per litre.