He is only visible in direct sunlight or ultraviolet light.
Rechristened as "Mr. X," Raghu hunts down those who betrayed him while Siya tries to stop his "rogue" mission. 🎞️ Technical & Critical Reception Mr X 2015 Hindi 720p DVDRip
To save him, Popo’s sister uses an experimental "anti-radiation" drug that regenerates his cells but makes him invisible. He is only visible in direct sunlight or ultraviolet light