Revelation against Sudhakaran: Investigation team not formed yet. THIRUVANANTHAPURAM: An investigation team has not been formed yet to probe the revelations made by Sudhakaran’s former car driver and Congress block secretary, Prashanth Babu that Sudhakaran had conspired to kill CPI (M) leader E P Jayarajan. One week has passed since Home Minister Thiruvanchur Radhakrishnan proclaimed that a special investigation team would be formed to probe the revelations..