It is in Khagaul city about 6 km from Danapur Cantonment, in Patna district in the Indian state of Bihar.

Due to its location on the Howrah–Patna–Mughalsarai main line, many Patna and Barauni-bound express trains coming from Howrah and Sealdah stop here.

Recently Danapur station has been redesigned with street art motifs on its façade, dedicated to the famous mathematician born in Bihar, Aryabhata.

East Central Railway is constructing a new platform (number 6), at an estimated cost of Rs 2.33 crore, on the southern end of the station.

[10] The work is in progress with a provision to accommodate 24 coach load combination of mail and express trains at the new platform.

The EC-Railways would also build an air conditioned waiting hall at Danapur at an estimated cost of Rs 1.57 crore.