– Assam chief minister Himanta Biswa Sarma accused Jharkhand chief minister Hemant Soren of spying on Champai Soren
– Delhi Police arrested two people for spying on Champai Soren, who later joined BJP
– Champai Soren was put under six months of surveillance by Jharkhand police
– Hemant Soren resigned in January before his arrest by the Enforcement Directorate
– Champai Soren justified joining BJP by claiming tribal identity is at stake in Santhal Pargana region due to infiltration from Bangladesh.