The 22387 / 22388 Black Diamond Express is a Superfast express train of Indian Railways, connecting with .https://www.telegraphindia.com/jharkhand/black-diamond-express-back-on-track-from-saturday/cid/1806373

References

Rail transport in Howrah Transport in Dhanbad Express trains in India Rail transport in West Bengal Rail transport in Jharkhand Railway services introduced in 2013 Named passenger trains of India {{India-rail-transport-stub