| Singh said   that soon after receiving the threatening call, he informed the DM, SP and the   IG about it.  Reports said   that the rebels had allegedly   demanded levy from the caretakers and attacked the plant as they did not pay up.   The injured men have been admitted to a hospital. Around 35 Maoists had   raided the village with sophisticated weapons and fired in the air to scare away   the the villagers. Before fleeing the spot, they torched two machines.  |