The Central Bureau of Investigation (CBI) has arrested four top National Democratic Front of Bodoland (NDFB) cadres alleged to have been involved in 30th October Assam serial blasts in 2008 in which 95 persons lost their lives. <br/><br/>The main accused Rahul Brahma has been arrested at Ziro in Arunachal Pradesh while three others- B. Ansai, Lukhra and Indra Brahma were arrested in Kokrajhar district of Assam last night.<br/><br/>Official sources revealed that Rahul Brahma was directly involved in the blast at Panbazar area of the Guwahati city while three other accused were involved in the explosions that took place at Bongaigaon.<br/><br/>Meanwhile, the police are interrogating NDFB’s anti talk faction chairman Ranjan Daimary in connection with indiscriminate firing at Bhimajuli market place in Sonitpur district on 3rd October last where 12 persons died on-the-spot and several others wounded.<br/><br/>Ranjan Daimary alias D R Nabla who was hiding in Bangladesh, was handed over to Border Security Force by the Bangladesh Rifles at Dawki in Meghalaya along Indo-Bangla border on first of this month. He is now facing marathon questioning by the Special Operations Group of the Assam Police and the CBI in connection with different cases of killings, kidnappings, extortions and violences in the State.