New Delhi: On the one hand, petrol and diesel prices in the country are constantly rising. On the other hand, CNG prices have also increased in the last few days. In Delhi, CNG prices have gone up by Rs 2.5 per kg today as compared to yesterday. CNG is being sold at Rs 69.11 per kg in Delhi today. CNG is also available in Noida, Greater Noida and Ghaziabad at Rs 71.67 per kg. In Delhi, Indira Prastha Gas Limited (IGL) has hiked CNG prices in the last few days. Following the announcement of IGL, new CNG prices have come into effect in Delhi-NCR from 6 am today.