Dr. P. K. Sachdeva is a renowned neurosurgeon based in Delhi. He graduated from Maulana Azad Medical College and holds an MS from Lady Hardinge Medical College and an MCh Neurosurgery from GB Pant Hospital, New Delhi. With almost twenty years of experience in neurosurgery, neuro-oncology, and radio-surgery, Dr. Sachdeva has established himself as a leading figure in the field. He is also a frequent speaker at national and international conferences and has been involved in numerous trials for the treatment of high-grade brain tumors. Additionally, he has served as a Visiting Consultant at Royal Preston Hospital, UK, and has received training in Gamma Knife Radio-Surgery at New York Medical School, USA, as well as cyber knife training at the Miami Cyberknife Centre in the USA.