Tender For upkeepment of spilled materials from 802-2 vibrofeeder chute and 803-2 , screen floor of ps-8 section at madhuban coal washery under block-ii area, bccl - upkeepment of spilled materilas from 802-2 vibrofeeder chute and 803-2 , screen floor of ps-8 section at madhuban coal washery under block-ii area, bccl.