Cutting of Paddy straw, grass etc. is one of the essential parts of mushroom cultivation and any other farming activities. Traditional way of cutting straw is hazardous process by local cutter. Machines available at markets are very costly and have high operation & maintenance cost. RuTAG-IITG developed a table top model chaff cutter. The machines are portable and can be assembled at location. Can be operated by single person. Manufactured with locally available materials.