Acting on a tip off, a joint team of Border Security Force (BSF) and district force unearthed the explosives from an under construction anicut (barrier) between Markanar and Koyalibeda, Kanker Deputy Superintendent of Police Jayant Vaishnav told PTI.
The explosives were weighed 5 kgs each, he added.
"Based on a specific input that Naxals had allegedly planted IEDs at the under-construction anicut on Mendki river under Koyalibeda police station limits, security forces were mobilised towards the place.
The explosives were allegedly planted to harm security personnel involved in ensuring security to the construction works, he said, adding the explosiveswere immediately destroyed by the bomb disposal squad.