Jharkhand's Dumka Lok Sabha seat is set for a high-profile electoral battle as two chief ministers - Shibu Soren and Babulal Marandi - are pitted against each other here. On paper, Mr Soren, who heads the Jharkhand Mukti Morcha (JMM), holds an edge over Mr Marandi, the chief of Jharkhand Vikas Morcha.
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