Palamu, Aug 10 (ANI): Fifteen people were killed in an encounter between two rebel groups in Palamu district of Jharkhand. The outfits were Communist Party of India-Maoist (CPI-M) and a group that splintered itself from the party, Tritiya Prastuti Committee (TPC). Members of the Communist Party of India-Maoist were allegedly angry regarding a previous incident where their party members were killed by the TPC and wanted to take revenge regarding the same. The incident took place at Koudia village under Vishrampur police station limits, when the TPC members were resting at a villager, Ramchandra Sav's residence, and the Communist Party of India-Maoist members came and killed them.