The retail prices of petrol were reduced by 12-16 paise across four metro cities on Monday. Diesel prices, on the other hand, were slashed by 7-12 paise. After the price cut, in Dimapur, petrol was retailing at Rs. 70.93 a litre. Diesel became cheaper by 5 paise to Rs. 63.87. In Kohima, a litre of petrol and diesel was Rs. 71.74 and Rs. 64.48 respectively on Monday.