Purnmasi Ram from Gopalganj and Jai Narayan Nishad from Muzaffarpur were suspended by party president Sharad Yadav, JD-U spokesperson Sanjay Singh said here.
Purnmasi Ram was suspended after he praised Rashtriya Janata Dal chief Lalu Prasad, convicted by a special Central Bureau of Investigation court in Ranchi on Monday for fraudulent withdrawal of money from the exchequer in the fodder scam.
He had also demanded action against Bihar Chief Minister Nitish Kumar, alleging that he too was involved in the fodder scam.
Party leaders said Nishad, on the other hand, was suspended for praising Bharatiya Janata Party prime ministerial candidate Narendra Modi.
Last week, the JD-U suspended its legislator Chedi Paswan for meeting Modi and praising him.