The price of Compressed Natural Gas, CNG has been raised by 4 rupees 50 paise per kg in Delhi. This is the second hike in CNG rates in three months. The new rate came into effect from midnight last night. Indraprastha Gas Ltd said, CNG will now cost 50 rupees 10 paise per kg in Delhi and 56 rupees and 70 paise per kg in Noida, Greater Noida and Ghaziabad. The price of cooking gas piped to kitchens has also been increased by 2 rupees a kg. The piped natural gas, PNG in Delhi will now cost 29 rupees and 50 paise per standard cubic metre up to consumption of 30 scm in two months. Beyond consumption of 30 scm in two months, the applicable rate in Delhi will be 52 rupees per scm.