These are from the proposal of Varanasi - Patna - Howrah High Speed Rail Corridor (VHHSRC) ~ March 2021click here
The proposed 760 km route between Varanasi and Howrah would pass through Buxar, Ara, Patna, Bihar Sharif, Nawadah, Dhanbad, Asansol, Durgapur and Barddhmaan.
The...
more... proposed route is quite different and interesting as shortest route is via Gaya.