Upvote:0
try this site -
http://www.cleartrip.com/tourism/routes/dd/munger-to-deoghar-route.html
the distance between two places is 140 km. you should be able to hire a car (with driver) and should not cost you more than 7-8 Rs per km.
Upvote:1
I can't find you a bus, but there are other options, according to rome2rio:
On the ground I'd ask a local if there might be a bus or shared taxi, but at the very least, there are some direct options (as above).