ElectricityFeed Mill. Approx. 25 units/ ton. ~ 200 Rs/ Ton. Electricity fixed charges + 8 units per ton for utilities like boiler , silos, office , submersible etc. ~ 80 RS /Ton. Labour. 180-200 Rs/ Ton. Overhead charges+ depreciation + maintainance + consumable parts + Feed mill staff. ~ 150-200 Rs/ Ton.