New Delhi, July 31: Government-run oil marketing companies reduced on Friday the retail prices of petrol and diesel by Rs. 2.43 per litre and Rs. 3.60 per litre, respectively. With this change, the price of petrol in Delhi will become Rs 64.47/litre and that for diesel Rs. 46.12/litre. Price of non-subsidised LPG was also cut by Rs 23.50 per 14.2-kg bottle.