A brachial plexus injury occurs when these nerves are stretched, compressed, or in the most serious cases, ripped apart or torn away from the spinal cord. A brachial plexus injury occurs when these nerves are stretched, compressed, or in the most serious cases, ripped apart or torn away from the spinal cord. Dr. HK Chakrabartty is a specialist neurosurgeon for offering the best treatment for brachial plexus surgery. To book an appointment call us now! 9899986541