The 12931 / 12932 Mumbai Central–Ahmedabad Double Decker Express is a Double Decker Express train belonging to Indian Railways that runs between Mumbai Central (MMCT) and Ahmedabad Junction (ADI) in India.

The advertisements were for soap brand Savlon, as part of its Savlon Swasth India Mission, a social awareness initiative for promoting hand hygiene.

As with most train services in India, coach composition may be amended depending on demand.

[3][4] 12931 / 12932 Mumbai Central - Ahmedabad Double Decker Express was first introduced on 19 September 2012.

It covers the distance of 491 kilometres in 6 hours 55 mins as 12931 Mumbai Central - Ahmedabad Double Decker Express and as 12932 Ahmedabad - Mumbai Central Double Decker Express (71 km/h).