The RJD on Wednesday won the Araria Lok Sabha bypoll seat by more than 60,000 votes, while rertaining the Jehanabad assembly constituency bypoll seat in Bihar. BJP's Rinky Rani Pandey retained the Bhabhua assembly seat.
In the Jehanabad assembly seat, RJD's Suday Yadav defeated his Janata Dal (United) rival Abhiram Sharma by more than 30,000 votes.
In Bhabhua, Pandey defeated her Congress rival Shambhu Singh Patel by about 14,000 votes.
RJD's Sarfaraz Alam defeated Pradip Kumar Singh in Araria.
Suday Yadav is the son of former state minister Mundrika Singh Yadav, whose death necessitated the bypoll.
Araria was represented by RJD Mohammad Taslimuddin whose death on September 17, 2017 necessitated the bypoll there.
The RJD candidate at Araria Sarfaraz Alam, who crossed over from JD(U) to Lalu Prasad's party to enter into fray in the bypoll, is son of Taslimuddin.
Defeat of JD(U) nominee Abhiram Sharma at Jehanabad is a bad news for chief minister Nitish Kumar who had in July last year dumped the Grand Alliance and joined hands with the BJP to form a coalition government.
From the opposition camp, while Lalu Prasad's party contested Araria and Jehanabad seats it gave Bhabhua to ally Congress in seat-sharing.
(With PTI inputs)