Mumbai: Viacom18 has completely sold out the inventory for “MTV Roadies: Season 18” in what is to be one of the most “financially healthy” seasons of the long-running show, Viacom18 head of youth, music and English entertainment Anshul Ailawadi told IndianTelevision.com at the launch event. This season of “Roadies” has onboarded Infinix Smartphones as ‘presenting’ partner and