HO Scale Rajdhani Express and Centy Trains Running Along 🚂🛤️ by adam December 13, 2022 Hi there, let’s check out this video of Centy Blue and Rajdhani Express racing. Centy Train is a battery operated train and runs on 2 AA batteries. Rajdhani express is a HO scale train and runs on electrified tracks. Thank you for watching and do subscribe for more such videos.