The JMM candidate, Simon Marandi, polled 65,551 votes against 52,551 votes polled by BJP's Hemlal Murmu.
Kistu Soren of Jharkhand Vikas Morcha (Prajatantrik) secured the third position.
Ten candidates had contested the by-poll from the seat, which fell vacant following the death of JMM MLA Anil Murmu early this year.
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