The CNG version of the Tata Altroz is now on sale in India starting at Rs. 7.55 lakh (ex-showroom). It comes powered by a 1.2-litre petrol engine mated to a five-speed manual gearbox. Interestingly, this Altroz i-CNG is equipped with many new features and comes with a CNG kit directly provided by the manufacturer. We drove this premium hatchback recently and here are three things that make it special. In fact, better than its competitors like the Maruti Suzuki Baleno and the Toyota Glanza CNG. These highlights have been detailed in our first drive review as well.