Tender For rdf based downdraft gasifier system - shredder, weighing scale, hopper (big conical type), material holder (small cylindrical type), knife edge gate valves, downdraft gasifier, air blower, gas suction blower, hot gas cyclone, heat exchanger, venturi scrubber, gas liquid separator, packed bed column and water tank with alkali dosing system and recirculation pump, water pump, filter, gas flaring unit, erection, commissioning and performance test charges