Jharkhand Mukti Morcha (JMM) interim President Hemat Soren will take oath as the next chief minister of Jharkhand on December 29. Former President Pranab Mukherjee, Samajwadi Party chief Akhilesh Yadav and Rashtriya Janata Dal (RJD) leader Tejashwi Yadav will attend Soren’s swearing-in ceremony.