BJP relies on caste factor in last phase of LS polls in Bihar

In Siwan, Hina Sahab (RJD) is contesting against BJP's 2009 winner Om Prakash Yadav.

In Vaishali, RJD's Raghuvansh Prasad Singh has been taken on by BJP ally and LJP candidate Rama Singh. Raghuvansh has won the seat five times in the past.