Non-branded petrol and diesel prices in metro cities were slightly lower today. Indian Oil petrol price today in Delhi was at Rs 71.70 per litre against Yesterdays RS 71.72 per litre, while the price in Kolkata was Rs 74.45 per litre against previous days Rs 74.44 litre. Price in Mumbai was at Rs 79.58 litre today against the previous days Rs 79.60 litre, while in Chennai it was at Rs 74.35 litre against yesterdays Rs 74.37 litre. Diesel price in Delhi was at Rs 62.29 per litre against yesterdays Rs 62.30 litre, while the price in Kolkata was at Rs 64.98 per litre against Rs 64.96 per litre. Diesel price in Mumbai was at Rs 66.34 per litre today against previous days Rs 66.35 per litre, while the price in Chennai was at Rs 65.67 per litre today against Rs 65.68 per litre yesterday.