This was followed by a split in the group : NDFB ( P ) , the progressive faction supported peace talks with the government , while the faction led by Nabla opposed the talks . In 2012 , following the arrest of their chairman , NDFB of Nabla faction split further , leading to the formation of another new faction , which was led by a non-Bodo I K Songbijit as an interim president of the interim council . This faction continued to indulge in militancy , and has been blamed by the government for May and December 2014 attacks
May
May 2014 Assam violence
National Democratic Front of Boroland