The 15283 / 84 Janaki Intercity Express is an Express train belonging to Indian Railways East Central Railway zone that runs between Manihari and Jaynagar in India.

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It operates as train number 15283 from Manihari to Jaynagar and as train number 15284 in the reverse direction serving the states of Bihar.

This train was run up to Saharsa Junction. Later w.e.f. 22 June 2016 it was extended up to Katihar Junction.

The 15283 / 84 Janaki Intercity Express has 13 general unreserved, 1 Sleeper class & two SLR (seating with luggage rake) coaches . It does not carry a pantry car coach.

As is customary with most train services in India, coach composition may be amended at the discretion of Indian Railways depending on demand.

The 15283 Manihari - Jaynagar Janaki Intercity Express covers the distance of 370 km (230 mi) in 13 hours 05 mins (28 km/h) and in 10 hours 05 mins as the 15284 Jaynagar - Katihar Junction Intercity Express (37 km/h).

As the average speed of the train is lower than 55 km/h (34 mph), as per railway rules, its fare doesn't includes a Superfast surcharge.

As the route is going to electrification, a Samastipur Loco Shed based WDM-3A diesel locomotive pulls the train to its destination.