Four commandos have been included in the chief minister's security team after the state security review committee, which met here, decided to take the threat seriously, sources said.
Presently, a team of six police personnel are providing security cover to the chief minister.
The RSS had yesterday sacked its functionary, Kundan Chandravat, who had sparked a controversy by announcing the reward on Thursday to avenge the killing of its workers in Kerala, allegedly by CPI(M) workers.