Asus’ on Wednesday launched its new Zenfone series of smartphones into the Indian market. The phones will come in screen sizes of 4, 4.5, 5 and 6 inches, priced at Rs Rs 5,999, Rs 7,499, Rs 9,999 and Rs 16,999 respectively. Features common to the three Zenfones are seen in the camera. They are powered by Android KitKat.