The present invention discloses a tractor drawn rotary plough (11) consists of a main transverse frame (1) at the front side for attaching three point linkage system of tractor a pair of floating plates (5) each of which being mounted at each end of said transverse frame (1) a plurality of rotatably coupled rotor-blade assembly (15) being arranged horizontally throughout the width of said transverse frame (1) at the bottom of said transverse frame (1) to substantially till the soil a transverse levelling bar (12) being secured at rear side of said frame (1) to level the dug soil a roller assembly (9’) being mounted at the rear side of said levelling bar (12) to break the soil clods that being left after tilling the soil and a gearbox (3) having an input shaft, an output shaft, a bevel gear and a plurality of spur gear.
