Dr. Sudhir Tyagi is a renowned Neurosurgeon and has an experience of more than 25 years. He has expertise over the treatment of Brain mapping surgery, Carotid angioplasty, Carotid endarterectomy (carotid artery surgery), Carotid stenting, Cervical and lumbar disk replacement (arthroplasty), Cranial base surgery, Decompression surgery, and Deep brain stimulation (DBS), or brain pacemaker. In India, Dr. Sudhir Tyagi is the first surgeon who used the Image Fusion technique to localize the targets in the Deep part of the brain to do functional stereotactic surgeries.