bids are invited for custom bid for services - miscellaneous contract works at ferro manganese plant balaghat mine unloading of raw materials quantity 7498 mt , custom bid for services - miscellaneous contract works at ferro manganese plant balaghat mine jigging of crude metal dust quantity 500 mt , custom bid for services - miscellaneous contract works at ferro manganese plant balaghat mine sample preparation at fmp lab quantity 2000 nos , custom bid for services - miscellaneous contract works at ferro manganese plant balaghat mine 4breaking of steam coal quantity 2600 mt , custom bid for services - miscellaneous contract works at ferro manganese plant balaghat mine recovery of metal from runner material quantity 500 cubic meter , custom bid for services - miscellaneous contract works at ferro manganese plant balaghat mine screening sorting and picking of jigged material quantity 500 mt