The Dumka Lok Sabha seat in Jharkhand, represented several times by JMM patriarch Shibu Soren, could see an interesting battle involving his two family members in the upcoming elections. Former Jharkhand chief minister Hemant Soren, who is currently in jail following his arrest by ED in connection with a money laundering case linked to an alleged land scam, could be fielded against his estranged sister-in-law Sita Soren, who is the BJP candidate in Dumka constituency.