His cousin and mother also suffered bullet injuries in the attack.
Superintendent of Police Ashiwini Kumar Singh, who rushed to the spot today after being informed about the incident, said the motive behind the killing of district secretary of the BJP's ST cell, Bhaiya Ram Munda, was yet to be ascertained.
"We are investigating the incident from all possible angles to find out the motive behind the killing of the 38-year-old leader," the SP asserted.
A massive search operation led by Sub-Divisional Police Officer Ranveer Singh has been launched to apprehend the culprits.
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Initial investigations suggest Munda was killed by suspected members of an ultra group over levy demands, he added.
The district committee president of the BJP, Kashinath Mahato, said he has found out from the villagers that a group of assailants dragged Munda out of his house before pumping bullets into him.
Mahato today sought adequate compensation for Munda's kin, a government job for a family member and education expenses of his children.