This is in regards to your query posted on the website CarDekho.com, we would like to inform you that you can use the given link to view the approximate Toyota Etios On-road price in Lucknow. There is no CNG variant available of Toyota Etios. For more details you can use the given link of Toyota Etios.
Yes you can get it installed. But we won't recommend it . Since, it will void warranty. CNG is best suited alternate fuel option instead of LPG. However, there are no CNG filling stations available in Faizabad UP. The nearest one is in Lucknow.