নৰ্থ লখিমপুৰ বিশ্ববিদ্যালয় North Lakhimpur University A Public State University established by upgrading North Lakhimpur College
under Assam Act No. LVIII of 2023 & Recognized by the UGC under section 2(f) of the UGC Act, 1956
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Dr Ratan Das

Assistant Professor (HOD) | Electronics
M.Sc. (G.U.), M.Tech. (T.U.), Ph.D. (CSIR)

I work at the intersection of electronics, biomedical instrumentation, and intelligent healthcare technologies.

Research Interests

Gait Analysis, Wearable Electronics, Medical Instrumentation

Specialized Courses

Electronics System Design, Biomedical Instrumentation, Signal Processing

Experience

  • Research Associate: North-Eastern Hill University, Shillong (May 2021- August 2022)
  • Research Fellow: CSIR-CSIO, Chandigarh (September-2013 - April 2021)

Awards and Accomplishments

  • Visiting Doctoral Fellow at Laboratoire d'Informatique, de Robotique et de Microélectronique de Montpellier (LIRMM, France) from June 2019 to July 2019.
  • Winner of DBT-BIRAC Hackathon 2016 with theme Innovation in Healthcare Technology for the design of Rehabilitation Device to Help Arthritis Patients (RAHAT) (Cash Prize of INR 1,00,000/-)
  • Second Runner up of MedTech Hackathon organized by Indian Institute of Technology Ropar for the design of an Ergonomic Crutch (Cash Prize of INR 10,000/-)
  • Best Poster Award at Indo-French Workshop on Robotics for Rehabilitation (Robo-Rehab 2019)
  • Best Paper Award at 5th International Conference of Soft Computing: Theories and Applications (SoCTA-2020), STEM Society and National Institute of Technology Jalandhar, India.
  • Best Paper Award at MICTDI-2016 held at IETE, Chandigarh, India
  • Selected for International Travel Grant by Dept. of Science and Technology (Govt. of India) and CCSTDS (Govt. of India) to attend IEEE Sensors 2019, Montreal, Canada.
  • Qualified for National Eligibility Test (Junior Research Fellowship) in Electronic Science, December 2013 and December-2014.
  • Qualified Graduate Aptitude Test in Engineering-2013 in Electronics & Communication Engineering

Research Projects

Role: PI

  • Non-invassive blood glucose monitoring using NIR Spectroscopy (Seed fund, North Lakhimpur College)
  • Performance evaluation of developed Wireless Foot Sensor Module (WFSM) for estimating gait temporal parameters of persons with Neurological Gait Disorder (Clinical Study)

Role: Team Member:

  • Development of gait training tools and mobility aids for Parkinson's Patients (Granting Agency: Dept. of Biotechnology, New Delhi)
  • Dynamic Postural Stability Assessment System (Granting Agency: CSIR, New Delhi)
  • Modelling of Human Intention during Gait Rehabilitation-“iRehab” (Indo-French Bilateral Exchange & Collaborative Research Programme under DST-INRIA-CNRS)
  • Ligament Injury Assessment and Therapy Device for motor-rehabilitation of Soldiers “L-GEAR” (Granting Agency: CSIR, New Delhi
  • Portable Harness Ambulatory System (Granting Agency: CSIR, New Delhi)
  • Technology Solution for Exoskeleton Devices (Granting Agency: CSIR, New Delhi)
  • Development and Calibration of Cricoid Sensor Assembly (Consultancy project from PGIMER, Chandigarh)
  • Respiratory Assistance Intervention Device: A portable ventilator (Respi-AID) (Granting Agency: CSIR-CSIO, Chandigarh

Patents / Copyrights / Publications

PATENTS 

  • Therapeutic apparatus for adaptive joint therapy based on quantified Ashworth and modified Ashworth scale (Patent No: 557279, Dated: 31/12/2024, INDIA)
  • System and method for measuring pressure applied on cricoid cartilage during Sellick’s manoeuvre (Patent Number: 571518, dated: 03/10/2025, INDIA)

COPYRIGHTS

  • L-Gear: Ligament Injury Assessment & Therapy Tool for Motor Rehabilitation (Software Copyright No. SW-13319/2020)
  • G-Eva: System for gait evaluation (Software Copyright No. SW-16838/2023, Dated: 12/07/2023)

RESEARCH PUBLICATIONS

Google Scholar     /    LinkedIn

  • "Parametric extraction of spatiotemporal gait features using wireless foot sensor module", Computer Methods in Biomechanics and Biomedical Engineering (2025). [IF: 1.9, as on June 2026]
  • "Objective gait assessment and quantified recurrence analysis using foot-worn wearable sensor for healthy individuals", Computer Methods in Biomechanics and Biomedical Engineering (2024). [IF: 1.9, as on June 2026]
  • "Digital-Health Monitoring System for Healthy Aging using Gait Biomarkers," IEEE Sensors Journal (2023). [IF: 4.5, as on june 2026]
  • “A Novel Low-Cost ZMP Estimation Method for Humanoid Gait using Inertial Measurement Devices: Concept and Experiments”, International Journal of Humanoid Robotics (2023) [IF: 1.8, as on june 2026]
  • "Recent trends and practices toward assessment and rehabilitation of neurodegenerative disorders: Insights from human gait." Frontiers in Neuroscience  (2022) [IF: 4.0, as on June 2026]
  • "Development of Robotic Rehabilitation Device for Spasticity Treatment of Acute Spinal Cord Injury Patients." IETE Journal of Research(2021) [IF: 1.3, as on June 2026]
  • "A Novel Method for Stride Length Estimation Using Wireless Foot Sensor Module." IETE Journal of Research(2021) [IF: 1.3, as on June 2026]
  • "Fusion of EEG and EMG signals for classification of unilateral foot movements." Biomedical Signal Processing and Control (2020) [IF: 5.7, as on June 2026]
  • "A novel approach for real-time gait events detection using developed wireless foot sensor module." IEEE Sensors Letters (2019) [IF: 2.4, as on June 2026]

BOOK CHAPTERS

  • Kumar, N., Pankaj, D., Singh, D. P., Khera, P., Das, R., & Koundal, N. Engineering a Better Walk: Concepts of Gait Analysis for Development of a Rehabilitative Exoskeleton. In Assistive Robotics (pp. 51-73). CRC Press.

Invited Talks

  • Delivered an Invited talk on "Drone Security Awareness" for CISF personnels at Lilabari Airport
  • Delivered an invited talk on "Intellectual Property Rights" at the Internship Programme organised by 'Institutional Biotech Hub, North Lakhimpur College(Autonomous)'
  • Delivered an invited talk on "Intellectual Property Rights" at the Internship Programme organised by 'Vivekananda Kenra Kanyakumari, Assam Prant, Lakhimpur Vibhag'
  • Delivered an Invited Talk on "Process Control using LabVIEW" at National Conference on Advanced Wireless Communication and its Implications, 2018 held at BBSBEC, Fatehgarh Sahib, India
  • Invited as Technical Expert for conducting 02 days workshop on “Biomedical applications using LabVIEW” at the National Institute of Science and Technology, Orissa, India
  • Invited as Technical Expert for conducting a workshop on LabVIEW software at Maharishi Markandeshwar University, Ambala, India

Other Roles

  • Head, Department of Electronics, North Lakhimpur University (Erstwhile College) since October-2022
  • Chairman, Board of Studies, Department of Electronics, NLU since March-2023
  • Innovation Activity Coordinator, Innovation Cell, NLU Since Nov-2022
  • Coordinator, NLU, Stay Safe Online Campaign, by Ministry of Electronics and Information Technology (MeitY), GoI
  • Coordinator, NLU-IPR Cell, Since October-2023
  • Member, Institutional Apprenticeship Cell, NLU since March-2024
  • Member, Advisory Board for Skill Hub Initiative, NLU, since September-2024
  • Member, MOOC Committee, NLU, since September-2024