MBBS, DMRD, MD (Radiodiagnosis), DNB( (Radiodiagnosis), DM(Neuro Imaging and Interventional Neuroradiology)

1. 11th National Petrochemicals Award - from the Central Institute of Petrochemicals Engineering and Technology. Award received on 27th September 2022 at India Habitat Centre, New Delhi for the development of Metal-free radiopaque polymeric material for the embolization of arteriovenous malformation of the brain 2. Certificate of excellence SCTIMST - Received in 28th February 2023, at the National Science Day and Institute Day celebration 3. Certificate of appreciation, SCTIMST - Received on 6th May 2023, at the annual convocation function for the development of Metal-free radiopaque polymeric material for the embolization of arteriovenous malformation of the brain. 4. Certificate of appreciation, SCTIMST - Award received on 6th May 2023, at the Annual convocation function for the successful technology transfer to industry 5. IRIA President Appreciation Award - Award received at the 74th Annual Conference of IRIA 2022, January 6. Endo vascular management of the dural arterio venous fistulae, Best paper award, NSI Kerala chapter, Annual conference, Calicut February 2010 7. 3D-Rotational angiography. Best paper award, FLAIR 2009, Thiruvananthapuram 8. Effect of urokinase and papaverine on chronic vasospasm in an animal model of subarachnoid hemorrhage. Best paper award, 6th annual conference of Indian Society of Neuroradiology (ISNR) & Indian Society of Vascular and interventional radiology,31st Oct to 3rd Nov 2003. PGIMER Chandigarh. 9. Computed tomographic evaluation of supra renal masses, Best paper award, `IMAGING 2001? CME in radiology, IRIA Kerala. , Feb, 2001

Endovascular Neuro intervention, Vascular interventional device development, Medical image processing using Python, Computer Vision, Machine Learning and Deep Learning, GPU computing.

1. International Institute of Information Technology - Hyderabad 2. The Centre for Development of Advanced Computing - Thiruvananthapuram 3. Indian Institute of Space Science and Technology - Thiruvananthapuram 4. Regional Cancer Center - Thiruvananthapuram

1. Design and Development of a Comprehensive Low-Cost Simulation Lab for Advanced Cardiopulmonary Resuscitation, Respiratory System, Vascular Access, Critical Care, Interventional Catheterization and Ultrasound Training. Project funded by Sree PVF 2. Centre of Excellence for Minimally Invasive Cardiovascular Devices, DBT funded project 3. Pathological MR image generation using diffusion models 4. Large language models for structured report and consent form generation.

1. Indian Medical Association (IMA) 2. Indian Radiologist and Imaging Association (IRIA) 3. Society of Therapeutic Neuro Intervention (STNI) 4. Indian Society of Vascular and Interventional Radiology (ISVIR)

1. Development of a prototype Flow Diversion Intracranial Stent for the treatment of Complex Intracranial Aneurysms, DST funded project. Project completed, technology transferred to industry 2. Development of novel prototype mechanical clot retriever for the treatment of acute cerebral ischemic stroke. DBT funded project, completed. 3.Development of Aortic Stent Graft for treatment of thoracic aortic aneurysms. DST funded project. Project completed, technology transferred to industry 4.Radiopaque liquid embolization device by chemical grafting of Iodinated compounds onto the ethylene vinyl alcohol co-polymer. DST funded project. Project completed, technology transferred to industry 5. Virtual reality-based solution for effective neuroanatomy teaching. SERB funded project, completed 6. Comprehensive approach on geriatric pain conditions and related health issues. Funded by KUSUMA Trust London, completed 7. Radiopaque polymeric microspheres for embolization. Completed 8. Medical image pre processing pipeline using Python and computer vision 9. Application of convolutional neural network for image classification 10. Image segmentation using Unet models 11. Generative adversarial network for pathological MR image generation 12. Development and implementation of various explainability methods for the models based on convolutional neural network 13. Implementation of Radiomics for various brain tumors 14. Automated segmentation of acute intracranial hemorrhage and infarct using CT scans 15. Tumors in brain brain MR image semantic segmentation.

1. A radiopaque polymeric liquid embolic system, Indian patent 2. A radiopaque polymeric liquid embolic system, US Patent 3. Lid nidus construct for liquid embolic agent evaluation, Indian patent 4. An in vitro nidus device to evaluate liquid embolic agents, Indian patent 5. Nidus in nidus construct for liquid embolic agent evaluation, Indian patent

1. Started neuro intervention center in 2013 and continued till 2017 in project mode, and later incorporated into the hospital regular inpatient management system. This is the first neuro intervention ICU care system in India, dedicated facility for managing patients with neuro vascular disorders. 2. Started various neuro intervention procedures - Flow diversion for intracranial aneurysms, angioplasty for post SAH vasospasm, Mechanical thrombectomy for acute ischemic stroke, Balloon assisted cranial dural AVF embolization, Chemo embolization for retinoblastoma, Intracranial venous stenting for IIH, Intracranial stenting for atherosclerotic stenosis, intra operative angiograms for brain and spinal vascular malformations. 3. Comparison of 3D rotational angiography with Digital Subtraction Angiography and Correlation of Angioarchitecture with Clinical presentations in Cerebral Arteriovenous malformations. 4. Vein of Galen Malformations: study on natural history and factors predicting initial clinical presentation and treatment outcome 5. Imaging of Indirect Carotid-Cavernous Fistula ? comparing advanced MRI sequences with Digital Subtraction Angiography 6. Analysis of clinical and angiographic outcome predictors in high-risk carotid stenting

Neuro intervention section editor - Comprehensive Textbook of Radiology

More than 100 invited talks in national and international conferences.