<br/>In Assam, suspected National Democratic Front of Bodoland (NDFB) militants set off a bomb damaging a portion of the rail track in Sonitpur district on Wednesday night. <br/><br/>Quoting police sources PTI reports that the militants exploded the bomb on the train track at a village at around 2330 hours. Earlier, the NDFB had threatened to target railway tracks and roads in Tezpur and Udalgiri districts.