The Grinding in Singhasini Roller Mill takes place by attrition and compression, which results due to the centrifugal force generated by the suspended Rollers running inside a stationary Bull Ring. The material is pushed between the revolving set of Rollers and Bull Ring and gets ground.An Upgoing stream of air lifts the fine material which passes through a classifier, the course particles are rejected and fine material is being collected in a cyclone collecter.