Case StudyLumbar Canal Stenosis in an Elderly Patient: Successful Surgical Recovery Under Dr. Sai Shiva Tadakamalla in HyderabadL4-L5 Disc Prolapse in a Young Patient: Successful Surgical Recovery Under Dr. Sai Shiva Tadakamalla in HyderabadCervical Disc Prolapse with Myelopathy: Successful Treatment with Anterior Discectomy and Fusion in Hyderabad