Dr. Sujatha Srinivasan
Sujatha Srinivasan is Professor in the Department of Mechanical Engineering and heads the TTK Center for Rehabilitation Research and Device Development (R2D2) at IIT Madras. Her research focuses on applying mechanism design and movement biomechanics to develop functional and affordable assistive/rehabilitation devices for people with movement disability.
Prof. Sujatha has nearly 30 years of experience in her field including 8 years in the US industry. She is a 1992 alumna of IIT Madras and joined its faculty in 2008. She is also co-founder of NeoMotion, a startup on assistive devices, incubated at IIT Madras. In her free time, she likes tailoring, going for walks and spending time with her family.
Dr. Sourav Rakshit
Assistant Professor, Department of Mechanical Engineering, IIT Madras
Dr. Sundararajan Natarajan
Associate Professor, Department of Mechanical Engineering, IIT Madras
Dr. Sivakumar Balasubramanian
Professor, Department of Bioengineering, CMC Vellore
Dr. Javeed Shaikh Mohammed
Javeed Shaikh Mohammed is currently working as a Senior Project Scientist at R2D2.
He received his MS (Electrical Engr., 2002) and PhD (Engr., 2006) from Louisiana Tech University. From 2006-08, he was a Postdoc in Prof. Eddington’s Biological Microsystems Lab at UIC-Chicago. From 2008-09, he was a Postdoc in Prof. Murphy’s Bioinspired Materials Laboratory, UW-Madison. From 2010-13 he worked as an Assistant Professor of Biomedical Technology at King Saud University. From 2014-19 he worked as an Associate Professor in the Faculty of Innovative Design and Technology at Universiti Sultan Zainal Abidin.
His areas of research interests are Micro-/Nanofabrication, BioMEMS, Assistive & Rehabilitation Devices.
Dr. T M Balaramakrishnan
T M Balaramakrishnan is a research engineer based at Chennai with interests in the fields of biomechanics, finite element analysis and product design.
An alumnus of National Institute of Technology Tiruchirappalli and Indian Institute of Technology Madras, his doctoral thesis involved the proposition of a novel design framework for prosthetic feet using non-linear finite element analysis. He is presently implementing the developed framework towards designing a series of highly functional and affordable prosthetic feet.
Besides being a researcher, he is a learning musician and a photographer.
Bhrigu Kumar Lahkar
Bhrigu K Lahkar is a Post-Doctoral Researcher employed in the project Arm Rehabilitation Robot for Shoulder and Elbow Training. His current research focuses on assessment of arm-use in individuals with hemiparesis during their activities of daily living.
Earlier, Bhrigu completed his PhD in Biomechanics from Institut de Biomécanique Humaine Georges Charpak, Paris, France. During his PhD, he contributed to the development of personalized finite element-based musculoskeletal modeling of the lower limb for better understanding of knee joint mechanics. He has professional experience of nearly 3 years in the domain of design and development of automotive engine peripheral parts.
Bhrigu is interested in working at the junction of computational modeling and experimental studies to analyze one's movement pattern. He believes that innovation is the key to resolve the unmet needs, and assistive technology is one booming area in helping people with limited mobility.
Apart from academic research, Bhrigu loves spending leisure time on cooking, photography and practicing yoga.
Senior Project Officer
Vivek Sarda - Head, Design Projects
Vivek Sarda is a graduate from IIT Madras with specialization in Product Design. His interest for creating impact with work made him start his career in assistive devices. Some of the devices he has worked on include - Body Movement Wheelchair, Arise Standing Wheelchair, NeoBolt - Wheelchair clip-on, NeoFly - Customized wheelchair, Polycentric Prosthetic knee, EZ-Lok Orthotic knee etc. User-centric design forms his core value for product development. His motto - “Build great products which users love”
Vivek heads the design team at the R2D2 center. The work involves development of devices and assisting various teams in their product development journey.
Senior Project Advisor
Justin Vijay Jesudas - Head, Outreach and Collaborations
Justin Jesudas joins us with over two decades of corporate experience in research and analytics across banking and engineering services industries with companies like UBS, RR Donnelley and Cognizant.
Justin heads the partnership and outreach activities apart from guiding the team on user perspectives, prototype refining and device commercialization.
With 11 years of lived experience as a tetraplegic (paralyzed neck downwards), working in the assistive technologies space was a natural calling for Justin.
He is an international swimming champion, and has represented India at the World Swimming Championship and Para-Asian Games. He enjoys long drives in his modified hand-operated car, beach surfing and SCUBA diving.
Siddarth completed his Dual Degree - B.Tech and M.Tech in Mechanical Engineering from IIT Madras, post which he worked in the Oil & Gas service industry. In 2015-16, Siddarth was part of the 13-month SBI Youth for India fellowship cohort where he worked as a computer teacher in rural Odisha.
Siddarth joined R2D2 and NeoMotion in 2018 as a Lead - Projects. During the earlier days, he was involved in setting up the Assembly and Factory infrastructure. At present, he leads the Sales, Marketing and Outreach initiatives at NeoMotion. He interacts with individual wheelchair users, medical professionals, hospitals, rehab centres and other channels in the mobility assistive space.
Siddarth is passionate about sports, especially Cricket and Squash. On the weekends you can find him playing cricket with other enthusiastic alumni.
As a Project Officer at R2D2, Rahul has been working on a variety of projects such as Saathi WalkChair, Gait trainer, CP chair, customisable back brace, scoliosis correction brace and ankle therapy device.
After completing Masters in Design Engineering at IIT, Delhi, his search for an opportunity to design and develop innovative products that are useful to the society led him to R2D2. His absolute love for technological products and preference for using customized and personalised products got him interested in assistive technology, where the need for personalization is rather high.
Kritika is a Physiotherapy alumnus from Christian Medical College, Vellore, and School of Allied Health Sciences (MAHE), Manipal. She is a postgraduate in Neurosciences Physiotherapy and has more than four years of experience in treating patients who have neuromotor disorders with a specific focus on spinal cord injury rehabilitation.
She is currently a part of Touch REHAB project under R2D2 as Content Leader and leads a subsidiary project, Touch FREEDOM as well. Both the projects are user oriented and aim at disseminating evidence-based information about best affordable practices to live well with spinal cord injury. The projects also focus on delivering rehabilitation related guidance to users with spinal cord injury in remote locations to enable them to lead an independent life.
In her free time, she loves to read and has a new found love for gardening
Paul Athisayaraj Joshua
Paul Athisayaraj Joshua, an alumnus of the National Institute of Design(NID), Ahmedabad, and Christian Medical College(CMC), Vellore. His background as a health and design professional has enabled design intervention to guide persons with spinal cord injury across India. After his experience in the corporate world as UX Designer at Cognizant, he joined R2D2 for the Touch REHAB project as Design Officer. Paul’s composite background and experience in rehabilitation make him provide sensitive and realistic design solutions for Touch REHAB.
Apart from work, he is an amateur woodworker and enjoys learning any skill-based projects.
Seethapathi is a Senior Machinist at R2D2 and holds a diploma in Mechanical Engineering. He has worked on various projects such as Arise Standing Wheelchair, NeoFly, NeoBolt and EZ-LOK orthotic knee, and has been involved in assembly and associated works of Prosthetic knee and Hip simulator.
He voluntarily trained in Mastercam and has taken the responsibility for manufacturing prosthetic knee prototypes at R2D2. With over 5 years of experience, he has accumulated a wealth of knowledge that makes him more productive and easily take on challenges and achieve required output.
He is interested in developing educational games for school children. He likes to play cricket, and listen to music.
Rajesh Kumar is a senior fabrication and assembly person. Formally educated at the Industrial Training Institute, he started working on the Gait trainer and Standing wheelchair, where he understood the need for assistive technologies. He has also contributed to more projects like NeoFly, NeoBolt, Beach Wheelchair, TCM, Saathi Walkchair and Body Movement Wheelchair.
With his experience he is able to find fabrication possibilities and enhancements within the design stage itself that helps the research team in all aspects. He is also interested in and started learning Solid works and Mastercam helping his involvement in design and manufacturing stages of any product.
He loves to play cricket, volleyball, football and he is very much interested in trekking and sea swimming.
He also holds a bachelor’s degree in arts.
Naveenprasad is working as a Project Associate at R2D2 since August 2020. He completed his undergraduate in Biomedical engineering from Sri Ramakrishna Engineering College, Coimbatore and Masters in Bioengineering from Christian Medical College, Vellore. His research interest is focused on development of new technologies and serious games for rehabilitation. Currently he is working in commercialization of Plug and Train robot (PLUTO). Having an exposure inside a rehabilitation institute for more than 2 years during his Masters made him understand difficulties and needs for therapists and patients during rehabilitation. That fueled his interest to undertake development of affordable and accessible technologies for rehabilitation.
He has a bucket list of experiments listed in his personal journal, which he wants to pursue. He is an excellent biker and has travelled 20,000 KM in 6 months, a district level tennis player, a marathoner and a good cook, which he realized during COVID lockdownr. He finds his inner peace by talking to his mother, feeling the cool breeze in the mountains, cycling with mesmerizing Ilaiyaraja and Yuvan songs.
Mounika completed her B.Tech in Mechanical Engineering from IIIT RK Valley, AP. Her interests are biomechanics (especially in human movement), bio-medical devices, product design and manufacturing. She worked in Biomedical and Material Science Laboratory, IIT Guwahati for her summer internships on prosthetic devices for lower limb amputees. Her projects include design and development of passive ankle joint and design methodology to fabricate an optimal thickness silicone liner. Post that she worked at Srujana innovations, LVPEI on design and development of biomedical devices to detect eye diseases such as glaucoma and diabetic retinopathy.
Mounika joined R2D2 as a Project Associate in 2019 November. She has been involved in design projects such as Transfer Cum Mobility device (TCM), Auto Lock seat for the walker, manufacturing projects such as Gait Trainer, Walk Chair, Body Movement wheelchair and Beach wheelchair. She believes that technology and science are key tools to change our quality of life, find solutions for challenges, and make everyone independent.
Apart from research, Mounika spends her free time playing volleyball, dancing, photography, and bike touring.
Akash completed his Diploma and Bachelor Degree in Mechanical Engineering and joined R2D2 as Internship Fellow on TCM and later as Junior Technician in 2020.
He is currently learning all the manufacturing processes involved in making all the parts of the projects and simultaneously started learning Solid works and Master Cam to gain knowledge and contribute to the center in design and manufacturing.
He is shaping himself as a Design, Research and Development person to contribute in every possible way to develop impactful assistive devices.
He likes to spend time reading books and doing social service in medical camps.
Praveen is a Project Technician at R2D2 and holds a diploma in mechanical engineering. He coordinates projects on the administrative side, interfacing with other departments for the seamless functioning of our R2D2 center.
Vigneshwar is a Mechanical Engineer from Agni College of Technology, Chennai. He is a Project Associate since 2017 and is currently working on production follow-up, quality checks and design assistance of EZ LOK orthotic knee joint.
He is also involved in prosthetic knee production follow-up, quality, assembly and static mechanical testing. He has picked up a keen interest in assistive devices and has worked on projects like hip simulator and NeoFly.
He also assists the research team in using the Gait Analysis system and VO2 analyser to generate data for biomechanical analysis of subjects.
His interest lies in project management and R&D; he enjoys listening to music, podcasts and reading books.
Gautam completed his B.Tech. in Mechanical Engineering from SRM Institute of Science and Technology.
Gautam joined NeoMotion in June, 2020 as part of the Design & Engineering team. He’s currently working towards achieving ISO homologation for the company, which shall open up international markets.
Gautam is a passionate automobile enthusiast, especially motorsports. He is a musician and enjoys playing the piano.
He is a mechanical engineer and has worked as a design engineer in the AEC industry.
He joined R2D2 in September 2019 as a project associate and has been working on Arm Rehabilitation Robot (AREBO). The opportunity to broaden his skill set while working on cost-effective and innovative projects that could positively influence lives has driven him towards assistive technologies.
He loves adventure sports and playing basketball and football.
Anandhakumar joined R2D2 as a Project Associate in August 2020. He did his under-graduation in Biomedical Engineering from Sri Ramakrishna Engineering College, Coimbatore and Masters in Medical Electronics from College of Engineering, Chennai.
His interest lies in Rehabilitation Engineering and Bio Signal Processing. He is currently working on the project PLUg and Train robot (PLUTO) for assessing and training hand functions and also focuses on its commercialization.
He enjoys playing badminton and basketball. He loves spending most of his time on reading books and computing.
Samson is an occupational therapist by education and a former tutor and clinical occupational therapist at the Rehabilitation Institute, CMC Vellore for 8 years. He is part of the clinical team at R2D2 managing the partner dissemination program for Arise Standing Wheelchair among other projects. He has developed wheelchair cushions, which are now part of IIT Madras incubated NeoMotion’s product portfolio.
A combination of upbringing in a service minded family, interest in DIY projects and passion for restoring hand functions of persons with such a need pushed him to a space which many therapists overlook - assistive technologies.
He lives in Chennai with parents and sister. He loves photography, cooking and long rides on his motorcycle.
Karthik R. Rao
Josiah Stanely Rose
Josiah has a Master's in Social Work specializing in Medical and Psychiatric field from Bishop Heber College, Tiruchirappalli.
He went on to join the Mary Varghese Rehabilitation Institute at Christian Medical College, Vellore as a Medical Social Worker.
His work there involved socio-vocational and economic analysis, management of vocational rehabilitation program, follow-up of rehabilitated patients and facilitating community-based rehabilitation initiatives. Josiah firmly believes that any form of rehabilitation should result in community participation. Currently, he is working on research related to psycho social well being, employment resettlement, community re-integration and follow up strategies among rehabilitated persons with spinal cord injury. At R2D2, he leads user-engagement activities.
He loves petting animals and reading books.
Sudeesh just graduated with his PhD. His PhD work focused on improving polycentric knee designs to further enhance their functionality along with cost-effectiveness. He helped develop a framework for using virtual engineering techniques, which constitutes software and hardware-in-loop simulations, in the development of new prostheses. This approach enables faster product development with minimum prototypes and user trials. He is also interested in developing bionic knees and rehabilitation robotics to further enhance people's quality of life.
He has a bachelor's degree in Mechanical engineering from the College of Engineering Trivandrum and a master's degree in Mechatronics engineering from the National Institute of Technology Karnataka.
Sudeesh is also a fitness enthusiast, marathoner and artist.
Naveena completed her bachelor's degree in Mechanical engineering after which she worked with a startup where she undertook responsibilities as a tutor and content creator in the field of education.
Currently she is under a joint doctoral degree program with Indian Institute of Technology Madras and The University of Melbourne where she is working in the field of biomechanics with a major focus on movement at the knee joint after Anterior Cruciate Ligament Reconstruction. Her motivation behind choosing to work in the field of biomechanics is the curiosity about the human body and its complexity.
Besides academics, she is a passionate yoga practitioner and is trying to learn Indian classical instrument Veena.
Aravind is a Ph.D. scholar in a joint program between IIT Madras and CMC Vellore; his research is focused on developing a robot for assessing and training hand functions. He did his undergrad in Mechanical Engineering from VIT University Vellore and Masters in Bioengineering from CMC Vellore. His research interests include rehabilitation engineering, serious games, and neuromechanics.
Having been a high school basketball player and going through multiple ACL reconstruction surgeries has pushed him towards the field of rehabilitation engineering. His personal experiences and professional experiences of working with patients motivate him to develop accessible and affordable tools for rehabilitation. Aravind enjoys his weekend bicycle rides and spends his free time reading non-fiction books and rock tumbling.
Preethi is currently pursuing her PhD in Humanities and Social Sciences at IIT Madras. Before that, she was working full-time for nearly 7 years at Moviebuff.com as a content writer.
She is the founder of Soulfree, a public charitable trust that is working to improve the quality-of-life of persons living with spinal cord injury in India, with a special focus on women and those living below the line of poverty. Currently, she is working to set up an Integrated Spinal Rehabilitation centre called INSPIRE in a 20,000 ft² facility at Thiruvannamalai, Tamil Nadu.
As a person who has spent more than two decades in a body that is paralysed below the neck, she has an experiential understanding of the vital importance of assistive devices in enabling persons with impairments and empowering us by giving us access to improved quality-of-life and independence.
Preethi leads a simple spiritual life at Thiruvannamalai, with her mother. She loves nature, music, sports and food, but most of all, the bliss of just being fully alive in the present moment.
He began his journey at IIT Madras as a M.Tech student and is currently a Ph.D scholar. His interest in robotics and the challenges in physical human-robot interaction was a driving force for him to work in the assistive technologies space. He did his graduation in Mechanical Engineering at Government College of Engineering, Tirunelveli.
He is currently working on an Arm Rehabilitation Robot (AREBO). The robot focuses on the rehabilitation of the shoulder joint with intensive game therapy. His research interests include biomechanics and physical Human-Robot Interaction(pHRI).
Prem is an avid reader of storybooks and enjoys traveling.
Sachin Kumar is a research scholar at IIT Madras with interests in the fields of biomechanics, smart material and vibration isolation.
An alumnus of National Institute of Technology Agartala and Indian Institute of Technology Madras he did course work along with project titled Design and development of MR damper for prosthetic knee application, under the guidance of Prof. Sujatha C and with help of Prof. Sujatha Srinivasan. He is presently working in characterization, mathematical modelling and designing of optimized MR damper for ankle application.
Apart from being a researcher, he loves cricket, chess and pets.
S. Vaidyanathan (Advisor to R2D2 and NeoMotion)
Guhan is pursuing Mechanical Engineering from IIT Madras. He is in his final year of his undergrad. He completed his schooling at NPS Indiranagar, Bangalore.
Guhan is working on creating synthetic gait data using a multibody simulator like Adams. With the help of software like OpenSim, verifying its authenticity. The purpose of doing so is that one can hope to avoid real-life trials and rely purely on computer-generated data. He is pursuing the same for his BTech Project.
His interest in simulations, multibody dynamics and doing work that could impact lives positively led him to work with the R2D2 lab – digitizing the data collection process combined all his interests.
Guhan spends his free time participating in quizzes or playing board games.
Vishnu is a fifth year Dual Degree student from the Mechanical Engineering Department. He is currently studying interdisciplinary M.Tech in Robotics. He is working on software simulations of transfemoral prosthesis users’ gait at R2D2. He is also working on developing Shape Memory Alloy based devices at AMSS lab. He believes that technology is most useful when it helps resolve real challenges faced by people; assistive technologies is one such important area where technology can make a significant difference in the life of the people. He also finds it intellectually stimulating, posing interesting technical challenges and providing a unique perspective on engineering and technology. He hails from Warangal,Telangana where his parents and sister live. Apart from technology, he enjoys his time reading stories and cooking.
TM Balaramakrishnan (joint guidance with Prof. Sundararajan Natarajan), A Novel Framework for Design and Analysis of Customised Prosthetic Feet using Non-linear Finite Element Analysis, PhD 2020
N Babu (joint guidance with Prof. S. Narayanan), Kinematic, Dynamic and Stability Study of Track, Leg, and Hybrid Locomotion Robot, PhD 2019
Ganesh Bapat, Development, Analysis And Clinical Evaluation Of Knee-Ankle-Foot Orthosis With Alternative Knee Joint Designs, PhD 2018
Solomon Seid Kebede, Optimal Design of Magnetorheological Damper for Prosthetic Knee Application (joint guidance with Prof. C. Sujatha, PhD 2017
DS Mohan Varma, Minimal kinematic models for the inverse dynamics analysis of normal and asymmetric gait, PhD 2015
Gunjan Patel (joint guidance with Dr. Rajdeep Ojha and Dr. Judy John, CMC), Development and Clinical Validation of a Portable and Wearable System for Gait Analysis, MS 2019
Sandeep Guguloth, Design and development of robotic mechanisms for upper extremity rehabilitation (joint guidance with Dr. Sivakumar Balasubramanian, CMC Vellore), MS 2018
Nitin Prakash Kamble, Stair Climbing Mechanism for Wheelchair, MS 2016
Kumaraswamy Udugu, Tolerance Analysis in mechanisms (joint guidance with Prof. M. S. Shunmugam), MS 2013
Subham Swastik Kamal, Cyclic Knee Testing Machine, B.Tech 2020
Akshay Molawade, Design and Spring Balancing of a Manually Operated Pool Lift, B. Tech 2019
Sourya Varenya, Stance Control Knee Ankle Foot Orthoses, B. Tech 2018
Manish Prajapat and Vishwajeet Sikchi, Add-on Device to Assist Stair Climbing of a Wheelchair, B. Tech 2017
Saish Kapadi, Design of an All-Terrain Wheelchair, B. Tech 2014
VVK Harish, Design of a Coconut Tree Climber, B. Tech 2014
Sushant Veer, Spring Balancing of Orthotic and Prosthetic Devices, B. Tech 2013
Girish A, Interactive Technology for Orientation and Mobility training of Blind and Visually Impaired Children, B.Tech 2013
Prashant Poondla, Design of the I-Tilt and Go (i-TAG) device, B.Tech 2012
Pranjali Manjrekar, Mobility Device Assisted by Functional Electrical Stimulation, DD 2020
G. Manideep,Biomechanics of Standing Wheelchair, M.Tech 2019
Shoudho Das, Development of a sit-to-stand device, M. Tech 2019 (co-guide Prof. Sourav Rakshit)
Venkat Teja, Development of an exercising device using muscle stimulation, DD 2019
Sanjay Hansdah, Wheelchair Bike, DD 2017
Sripriya Kalidoss, Electromechanically Assisted Gait and Lower Body Exercise Device, DD 2016
Ashish Mohan Sharma, Development of motorized assistive device for people with paraplegia, DD 2016
K Narayan Pai, Development of Clutch Adjustment Device, M.Tech 2016
Harsha Vardhan Reddy, Computer aided optimal synthesis of fixed length and adjustable planar mechanisms, DD 2015
Kaushik Naidu, Transfer device for wheelchair users, M. Tech 2015
TS Anand, Synthesis and Design of Polycentric Knee for Transfemoral Prosthesis, M. Tech 2014
Vivek Sarda, Training and Mobility Device for Children with Cerebral Palsy, DD 2014
Swostik Sourav Dash, Swimming Pool Lift for Physically Challenged, DD 2013
Sumit Pethwadajkar, Design of an Improved Standing Wheelchair (co-guide Prof. Shankar Krishnapillai), DD 2013
M. V. Jairaj, Design of a Low Vision Telescope, DD 2013
P. S. Satyanarayana, Development of a novel mechanically variable valve timing (M-VVT) system to improve volumetric efficiency of small engines (co-guide Prof. A. Ramesh), M. Tech 2013
Harshal Chaudhari, Development of a Standing Wheelchair, DD 2012
Varun Joshi, Software for Mechanism Design, DD 2012
K. Aravind Reddy, Design and Analysis of KAFO with improved stance stability, DD 2011
Banugade Nitin Madhukar, Design of gravity-balancing leg orthosis for gait rehabilitation, M.Tech 2011
Ramu Banoth, Design of polycentric knee mechanism for above-knee amputee, M.Tech 2011
T. Praveen, Standing wheelchair (co-guide Prof. Seshadri Shekar), M. Tech 2011
J. Santi Sagar, Manufacturing improvements for the Jaipur foot, M.Tech 2010
G. Veerababu, Mechanical characterization of the Jaipur foot, M.Tech 2010
Mayank Pareek, Development of an adjustable KAFO, DD 2009
Vishnu Vardhan Reddy, Development of a knee mechanism for a KAFO, M.Tech 2009
R Ramaraj, Design, development and performance evaluation of mechanically operated multiplate wet clutch for PTO application (co-guide Prof. M. M. Mayuram), M.Tech 2009