National & International Awards

• Information not publicly available.

Professional Memberships

• Neurological Surgeons Society of India
• West Bengal Medical Council
• IMA — Indian Medical Association

Published Papers (Selected)

• Information not publicly available.

Ongoing Research & Clinical Interests

• Brain tumour surgery outcomes in East India
• Skull base surgery techniques
• Cerebrovascular surgical management
• Minimally invasive spine surgery outcomes

A patient with a large cerebellopontine angle meningioma causing progressive hearing loss and facial weakness underwent successful skull base craniotomy under Dr. Das's care, achieving complete tumour removal with preserved facial nerve function.

A patient with a ruptured intracranial aneurysm presenting with subarachnoid haemorrhage underwent emergency aneurysm clipping under Dr. Das, with successful occlusion and full neurological recovery.

• Surgical Expertise: Patients describe Dr. Das as a highly skilled neurosurgeon who delivers excellent outcomes in complex brain and skull base surgical cases.
• Patient Confidence: Families report immediate reassurance from his calm, authoritative manner and clear explanation of complex surgical decisions.
• East India's Trusted Neurosurgeon: Recognised as one of Kolkata's leading neurosurgeons — patients travel from across East India specifically for his surgical expertise.

Patient-Centred Care

Dr. Das takes a patient-centred, evidence-based approach to neurosurgery. He ensures thorough pre-operative assessment, honest communication about surgical risks and outcomes, and meticulous post-operative care. He employs a microsurgical philosophy — maximising precision while minimising surgical trauma.

Technology & Innovation

Dr. Das employs microsurgical techniques, intraoperative neuromonitoring, skull base surgical approaches, and minimally invasive spinal instrumentation. His MCh training and 28 years of neurosurgical experience encompass the full spectrum of brain and spine surgical conditions.

*Indicative estimates only. Actual costs subject to hospital pricing, case complexity, and insurance. Contact Cancer Rounds for a personalised quote.

Language Support

English and Hindi are spoken; Cancer Rounds provides certified interpreters for all major international languages on request.

Visa & Travel Assistance

Cancer Rounds provides medical visa invitation letters, airport transfers, and local accommodation coordination for international patients seeking treatment from Dr. Sisir Das.

Virtual Consultations

Pre-travel video consultations are available through Cancer Rounds, allowing patients to share medical records and discuss treatment plans with Dr. Sisir Das before travelling to India.