About 2,000 gelatin sticks, 1,250 kg ammonium nitrate packed in 25 bags and 3,000 metre of fuse wire were seized from a van going from Kondapur to Chittoor during a routine checking exercise, Rajampeta rural police inspector Venkateswarlu said.
There were two persons in the van at the time of seizure who have been taken into custody, he said.
Further investigation was on, he added.