Laminectomy is the procedure of choice especially in the elderly. The central spinal stenosis denotes the involvement of the area between the facet joints ,which includes dura and its contents. the reasons for the stenosis here are protrusing disc, bulging annulus, osteophyte formation or thickened ligamentum flavum cental canal stenosis clinically presents as claudication and the lateral canal stenosis presents as radiculopathy the lateral recess also reffered as lee’s entrance zone,begins from lateral border of dura and extends to medial border of pedicle .this is where the nerve root exits .zones of lateral canal is divided into entrance zone, mid zone and the exit zone the reason for stenosis here are lateral disc herniation ,thickened ligamentum flavum extending into the foramen, facet arthritis or spondylolisthesis. The present study is done to find out the functional outcome of lumbar spine disorders treated with laminectomy.