One person was arrested and RDX and other explosive materials were seized on Thursday from a train in Jharkhand, police said.
Acting on a tip-off from army intelligence, police raided the Hatia-Barddhman passenger train at Kita station, situated around 30 km from here.
Police said they recovered half kg RDX, six bombs, 24 gelatin sticks, six timers and some documents.
A police officer said the arrested person was being interrogated.