Domestic petrol and diesel prices were hiked on Thursday, marking a third straight day of upwards revision in fuel rates. The price of petrol was increased by 29 paise per litre each in Delhi and Mumbai, while the diesel rate was raised by 19 paise per litre in Delhi and 20 paise per litre in Mumbai compared to the previous day's prices, data from the Indian Oil Corporation showed. Oil marketing companies such as state-run Indian Oil Corporation, Bharat Petroleum and Hindustan Petroleum currently review the fuel prices on a daily basis, and any revisions are implemented at the fuel stations with effect from 6 am.