CHENNAI: In Chennai, the price of a litre of petrol and diesel has been constant over the last 415 days at Rs.102.63 and Rs. 94.24 respectively. For the 416th consecutive day, petrol and diesel prices still remain unchanged. The government has approved the practice of daily determination of fuel prices in line with international crude oil prices. Henceforth, oil companies are regulating petrol and diesel prices on a daily basis, keeping a check on fluctuation.