Fuel prices in India rose for a 12th consecutive day on Friday, hitting an all-time high of Rs 77 in Delhi, Rs 80.47 in Kolkata, Rs 85.65 in Mumbai and Rs 80 in Chennai. Diesel, meanwhile, costs Rs 68.75 in Delhi, Rs 71.30 in Kolkata, Rs 73.20 in Mumbai and Rs 72.58 in Chennai.