The Indraprastha Gas Limited (IGL) has increased the price of compressed natural gas (CNG) in Delhi-NCR by Rs 2 per kilogramme, with effect from 6 a.m. on May 15. Following the latest price hike, CNG currently costs Rs 73.61 per kg in Delhi, Rs 76.17 in Noida, and Rs 81.94 in Gurugram.