First patient successfully treated on 10 August 2026, marking a new era of precision radiosurgery in Eastern India
News Stardom : Kolkata, 15August 2026. The Institute of Neurosciences Kolkata (INK) has commenced its Gamma Knife Radiosurgery (GKRS) programme, marking a significant milestone in the availability of advanced, high-precision radiation treatment in Eastern India.
The first Gamma Knife procedure at INK was successfully performed on 10 August 2026. The first patient treated was a young patient from Kashmir diagnosed with a pituitary macroadenoma, who underwent Gamma Knife Radiosurgery at the Institute under the care of Dr. Rajesh Bhosle, Consultant Neurosurgeon.
The procedure was conducted under the expert supervision of Dr. Dheerendra Prasad, Roswell Park Comprehensive Cancer Center, Buffalo, USA, an internationally recognised expert in Gamma Knife Radiosurgery, along with Mr. Josef Novotny, Medical Physicist from Prague.
The multidisciplinary treating team at I-NK comprised Dr. Partha Ghosh, Senior Consultant Neurosurgeon; Dr. Anupam Datta, Head, Department of Radiation Oncology; Dr. Rajesh Bhosle, Consultant Neurosurgeon; Mr. Mehedi Hassan, Radiation Safety Officer (RSO) and Medical Physicist; and Radiation Technologists Mr. Shubhadip Bahadur and Mr. Chiranjeet Mondal.
A new era of precision treatment in Eastern India
Gamma Knife Radiosurgery is a highly precise, non-invasive form of stereotactic radiosurgery designed to deliver focused radiation to targets within the brain while minimising radiation exposure to surrounding normal structures. Despite its name, the procedure involves no surgical incision. In appropriately selected patients, treatment can be completed on a day-care basis, allowing patients to return home without the prolonged recovery associated with conventional brain surgery.
The commencement of the Gamma Knife programme at I-NK is expected to significantly expand access to advanced radiosurgical treatment for patients from Eastern and North-Eastern India as well as neighbouring regions, particularly those requiring treatment of lesions situated close to critical structures within the brain.
Prof. R. P. Sengupta, Chairman & Managing Director, Institute of Neurosciences Kolkata, said: “Gamma Knife is a unique method of single day radiation for the treatment of brain tumours and other diseases of the brain. Apart from tumours, vascular malformation, psychiatric conditions, trigeminal neuralgia, and many other conditions can be treated. Despite its unique benefits none of the corporate hospitals in Kolkata are in interested to buy it. Since it does not treat other parts of the body it does not make big profit. I-NK being a not for profit hospital decided to bridge this gap. All the premiere cities of India have it, why not Kolkata?”
Prof. Hrishikesh Kumar, Vice Chairman, Institute of Neurosciences Kolkata, said: “A new era in precision brain care is here, it’s an advanced, non-invasive stereotactic treatment that delivers highly focused radiation to precisely targeted areas of the brain. The procedure can offer effective treatment without conventional open-brain surgery in appropriately selected patients, with minimal recovery time”
Dr. Dheerendra Prasad said: “Bringing Gamma Knife esprit of I-NK is a landmark advance in the case of patients in West Bengal as the region suffering for disorders of the brain.”
Dr. Anupam Datta, Head, Department of Radiation Oncology, I-NK, said: “Malignant, non-malignant and functional conditions in critically located areas of the brain can be treated with radiosurgery without the need for conventional brain surgery, and in appropriately selected patients, the treatment can be completed on a day-care basis.”
Dr. Partha Ghosh, Consultant Neurosurgeon, I-NK, said : Gamma Knife is a highly precise, non-invasive treatment option that delivers focused radiation to brain lesions while minimising damage to surrounding healthy tissue. It offers patients an effective alternative to conventional surgery in appropriately selected cases, with faster recovery and improved quality of life.
Dr. Rajesh Bhosle, Consultant Neurosurgeon, INK, said: A new era begin in Eastern part of country by starting Gamma Knife Radiosurgery at I-NK. It is a new end highly advanced technology which will benefit patients with various neurological condition. The treatment will be precise, painless & without any surgical intervention & it can be done on OPD basis also.
Precision without conventional surgery
Gamma Knife Radiosurgery enables a multidisciplinary team of neurosurgeons, radiation oncologists and medical physicists to precisely target intracranial abnormalities with stereotactically focused radiation.
The technology has applications across a broad spectrum of benign and malignant intracranial tumours, vascular abnormalities and selected functional neurological disorders. Its ability to deliver highly conformal radiation with a steep dose fall-off is particularly important when treating lesions adjacent to critical neurological structures.
For many suitable patients, Gamma Knife Radiosurgery can therefore offer an alternative to open neurosurgery or prolonged courses of conventional radiation therapy, depending upon the disease, its size, location and individual clinical circumstances.
The successful treatment of the first patient on 10 August 2026 represents the beginning of INK’s clinical Gamma Knife Radiosurgery programme and marks a new era of precision radiation therapy and intracranial radiosurgery in Eastern India.
With the programme now operational, the Institute of Neurosciences Kolkata aims to bring together expertise in neurosurgery, radiation oncology, medical physics and radiation technology to provide comprehensive radiosurgical care under one roof.
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