The 13021 / 13022 Howrah Junction-Raxaul railway station Mithila Express is an Express train belonging to Indian Railways - Eastern Railway zone that runs between Howrah Junction and Raxaul railway station in India.

It operates as train number 13021 from Howrah Junction to Raxaul railway station and as train number 13022 in the reverse direction serving the states of Bihar, Jharkhand and West Bengal. As Raxaul-Birgunj border is the main entry point to Nepal, Mithila express serves as one of the main rail links to Nepal as well.

The 13021 / 13022 Howrah Junction-Raxaul railway station "Mithila Express" covers the distance of 692 km (430 mi) in 16 hours 45 mins (44 km/h) and in 18 hours 0 mins as 13022 Raxaul railway station-Howrah Junction "Mithila Express" (38 km/h). This train is reserved well ahead of its departure dates.

The 13021 / 13022 Howrah Junction-Raxaul railway station "Mithila Express" consists with a total of 21 LHB type coaches of types 2AC 2-Tier, 10AC 3-Tier, 4 Sleeper, 4 General (Unreserved) and a Military coach (occasionally) 2 SLR. Sleeper Extra (SE) Coaches are attached during the time of festivals.

The 13021 / 13022 Howrah Junction-Raxaul railway station Mithila Express runs from Howrah Junction via Serampore → Bandel → Barddhaman Junction → Durgapur → Raniganj → Asansol Junction → Chittaranjan → Madhupur → Jasidih → Jhajha → Kiul Junction → Barauni Junction → Samastipur Junction → Muzaffarpur Junction → Sagauli → to Raxaul. It takes to much time to travels as there are to many stops so prefer other trains than this.

As the track between Muzaffarpur Junction and Raxaul has been electrified.. The journey is covered by an electric locomotive WAP 4 However the track doubling work between Muzaffarpur and Bapudham Motihari is under progress.

• Howrah Junction railway station
• Raxaul Junction railway station
• Howrah - Raxaul Express