Dr. Kaushik Sundar

Dr Kaushik Sundar is a highly distinguished and exceptionally skilled medical professional, bringing 17 years of vast clinical experience to the highly specialised field of Interventional Neurology and Stroke Management.

He currently serves as the Clinical Lead for Comprehensive Stroke Care at the premier NH Rabindranath Tagore International Institute of Cardiac Sciences (RTIICS) in Mukundapur, Kolkata.

Backed by a phenomenal academic foundation, he holds an MD in Internal Medicine, a prestigious DM in Neurology from Sri Ramachandra Medical College (where he was awarded the Best Outgoing Student), and a highly exclusive Fellowship in Stroke and Neurointervention. Furthermore, he holds the globally recognised European Diploma in Neurointervention (EDNI).

He is universally recognised for his authoritative clinical approach toward managing acute brain strokes through mechanical thrombectomies, executing life-saving endovascular aneurysm coilings, and treating severe epilepsy.

Dedicated to providing compassionate, evidence-based neurovascular care while actively developing thrombectomy-ready stroke centres across Eastern India, he consults fluently in English, Bengali, and Hindi.

Specialty Areas and Treatments

Dr Kaushik Sundar provides highly precise, patient-centric neurological interventions for individuals battling acute brain strokes, severe neurovascular blockages, and complex seizure disorders across Kolkata.

Acute Stroke Management (Interventional Neurology)

Patients suffering from a sudden Brain Stroke (Ischemic Stroke), acute facial drooping, or sudden speech loss demand elite, highly accurate, and time-critical medical execution. Dr Kaushik provides authoritative emergency stroke care:

• Emergency Mechanical Thrombectomy for acute ischemic stroke
• Intravenous Thrombolysis (Alteplase/Tenecteplase) administration
• Implementation of Spoke-and-Hub stroke care models

Neurovascular Interventions and Aneurysms

Individuals battling life-threatening Cerebral Aneurysms, sudden brain haemorrhages, or complex Arteriovenous Malformations (AVMs) require deeply empathetic and precise neuro-interventional procedures. Dr Kaushik offers expert neurovascular management:

• Advanced Endovascular Coiling for Cerebral Aneurysms
• Diagnostic Cerebral Angiography and neurovascular mapping
• Minimally invasive treatments for Cerebral Venous Thrombosis (CVT)

Epilepsy and Neuromodulation

Patients diagnosed with severe Epilepsy, refractory seizures, or unprovoked chronic convulsions demand highly decisive, life-improving medical care. Dr Kaushik provides elite neuro-electrical management:

• Comprehensive Epilepsy diagnosis and long-term seizure management
• Advanced Vagus Nerve Stimulation (VNS) for drug-resistant epilepsy
• Thorough neurological evaluations for sudden blackout spells

General Neurology and Neuromuscular Disorders

Individuals struggling with debilitating Neuromuscular Diseases (like Guillain-Barre Syndrome), severe chronic headaches, or migraines require highly specialised medical oversight. Dr Kaushik is an expert in comprehensive neurology:

• Targeted Medical Neurology for autoimmune neuropathies
• Advanced Headache and Migraine Management
• Precise Neuromuscular disorder assessment and rehabilitation

Credentials and Academic Foundation

Showcasing his supreme medical dedication, Dr Kaushik Sundar possesses an incredibly robust academic foundation representing the highest echelons of interventional neurology training globally:

• MBBS from Vydehi Institute Of Medical Sciences and Research Centre (2009)
• MD in Internal Medicine from Sri Ramachandra Medical College and Research Institute (2014)
• DM in Neurology from Sri Ramachandra Medical College and Research Institute (2017)
• Fellowship in Stroke and Neurointervention from Rajagiri Hospital, Kochi (2018)
• EDNI (European Diploma in Neurointervention) from the European Board of Neurointervention (2025)
• ESMINT (European Society of Minimally Invasive Neurological Therapy Stroke Diploma)

Extensive Clinical Experience

With a highly intensive clinical background, Dr Kaushik has independently managed thousands of complex neurovascular emergencies across top-tier Indian medical institutions. His professional journey includes the following key roles:

• Consultant Stroke Neurologist: Rajagiri Hospital, Aluva, Kochi.
• Senior Resident (Internal Medicine): Sri Ramachandra Medical College and Research Institute.

Current Hospital Affiliations

He currently consults as the Clinical Lead for Stroke and Interventional Services at the following premier location:

• NH Rabindranath Tagore International Institute of Cardiac Sciences (RTIICS), Mukundapur, Kolkata. (Consultation Fee: ₹1000)

Prestigious Awards and Recognitions

Demonstrating his profound dedication to medical excellence, Dr Kaushik Sundar is highly celebrated in the academic and clinical neuroscience community. He was awarded the Best Outgoing Student during his DM Neurology training.

Today, he serves as a leading Faculty Member for the FNB Neurointervention program at Narayana Health (one of only six accredited programs in India) and acts as the Academic Head for Neurology, mentoring the next generation of neurologists.

Medical Research and Publications

Dr Kaushik Sundar maintains an incredibly robust commitment to the academic advancement of stroke neurology and precision medicine. With over 31 publications and massive engagement on ResearchGate, he frequently presents his findings at national and international stroke congresses. His notable, fully-detailed research works include:

• Mystery of a cryptogenic stroke solved by an abdominal angiogram (BMJ Case Reports)
• False positive immunoassay for acetyl choline receptor antibody (AChR Ab) in patients exposed to polyvalent antisnake venom (Journal of Neuroimmunology)
• Acoustic Vestibular Evoked Ocular Myogenic Potentials (Ac oVEMP) an Important Diagnostic Tool for Vestibular Neuronitis (International Journal of Neurology and Neurosurgery)
• Real-World Recanalization Outcomes of Mechanical Thrombectomy in India (Asian Journal of Neurosurgery)
• Book Chapter: Authored Chapter 21, "Case based Blended Learning Ecosystem to Optimize Precision medicine, published by Pan Stanford Publishing.

Furthermore, he is deeply dedicated to patient education and actively authors clinical blogs, including:

• Do You Think You Could Get a Brain Stroke?
• How AI Is Helping Stroke Patients: From Minutes to Miracles

Book an Appointment with Dr Kaushik Sundar, Neurologist

For expert acute stroke management, mechanical thrombectomy, or advanced epilepsy treatments like VNS, connect with HexaHealth to secure a priority appointment with Dr Kaushik Sundar at NH Rabindranath Tagore International Institute of Cardiac Sciences in Mukundapur.