On a tip-off, the police and SSB launched a joint operation at Kotabari village, under Tamulpur police station, and recovered the explosives hidden under a haystack in the house of cadre Rakesh Bodo, officials said.
During interrogation, Rakesh told the police that the Bodoland Peoples Front party's Darangajuli vice-president Sanatan Sarania had asked him to keep the explosives in his house.
Both Rakesh and Sarania were arrested. An investigation was on, they said.