Vertebral tuberculosis is most common form of tuberculosis and it accounts for 50% of all skeletal tuberculosis .untreated vertebral tuberculosis results in neurological complication. chemotherapy remains main stay of treatment in tuberculosis spine. This study is done to evaluate the function outcome of Tuberculous spondylodiscitis treated with chemotherapy and posterior stabilization. This study is prospective observational study involving a case series of 22 pt with Tuberculous spondylodiscitis who presented in spine out patient department Madurai medical college during the year may 2016 to may 2017 . In our study we followed the patient for 2 year there was a statistically significant change in measures of VAS score , Neurological status till one year follow up and the first year values remain static at 2nd year follow up. Posterior instrumentation is justified by the fact that posterior elements are relatively healthier when compared to the vertebral body. Our prospective observational study on surgical management by posterior stabilization for spinal TB with chemotherapy concluded that the posterior only procedure obtained better clinical outcome .