UDAY Express or Utkrisht Double Decker Air Conditioned Yatri Express are completely Double-Decker AC chair car trains designed by RDSO.
The coaches of the train have an anti-graffiti vinyl wrapped exterior and have been given a bright color scheme of yellow, orange and pink - somewhat similar to that of the Tejas Express.
According to Indian Railways, Uday Express will cater to the "busiest routes" and increase carrying capacity by 40%.
[1][2][3] The first service was launched on June 10, 2018 between Coimbatore Junction and Bangalore.
The second service was launched on September 26, 2019 between Visakhapatnam and Guntur and have 7 stops en route.