Key Contestant: Raghuvansh Prasad Singh

A former union minister, Mr Singh was among the four MPs who kept the RJD flag flying in 2009. The five-term MP is in the fray again from his old constituency, and locked in a four contest with the LJP, JD(U) and a powerful independent candidate.

Constituency: Vaishali
Party: Rashtriya Janata Dal
Age: 67
Education: Doctorate
Assets: Rs. 18,095,679