Sources said that a special investigation team of the CBI arrested Paolunmang from Pune on Wednesday and took him to Guwahati. The court has sent him to CBI custody till October 16. Earlier the CBI had arrested four people in the case.The central agency had arrested two men, Paominlun Haokip and Smalsawm Haokip, and two women, Lhingneichong Baitekuki and Tinneilhing Henthang, on October 1.