Dr. Subhankar Roy


Assistant Professor

[email protected]


Subhankar Roy received his M.Tech degree in Mechanical engineering from National Institute of Technology Silchar, Assam, India in the year 2016. He has worked on design of ultrasonic horns for obtaining better machining rate by improving the magnification factor.

He completed his doctoral degree from National Institute of Technology Meghalaya, Meghalaya, India where he worked on the structural health monitoring of composites using nonlinear wave spectroscopy and vibro-thermography. He has published several articles in reputed journals, and book chapters. 

Research Interests

  1. Non-destructive testing
  2. Wave propagation
  3. Vibration analysis

Teaching Interests

Selected Publications

  1. Subhankar Roy, Tanmoy Bose, Efficient determination of local defect resonance frequencies from bicoherence plots using double excitations, Mechanical Systems and Signal Processing. 127:595-609. 10.1016/j.ymssp.2019.03.017 (SCI, IF- 6.823)
  2. Subhankar Roy, Tanmoy Bose, Kishore Debnath, Detection of Local Defect Resonance Frequencies using Bicoherence Analysis, Journal of Sound and Vibration. 443:703-716. 10.1016/j.jsv.2018.12.006 (SCI, IF- 3.655)
  3. Subhankar Roy, Tanmoy Bose, Detection of mode frequencies for spherical cavity embedded within a mild steel plate, Journal of Vibration and Control. 10.1177/10775463211054933 (SCI, IF- 3.095)


Selected Awards and Honors

  • JRF and SRF fellowships from MHRD, Govt. of India for pursuing Ph.D, Jul. 2017  – Dec. 2021
  • Institute fellowship under TEQIP-III, Govt. of India for pursuing M.Tech and Teaching Assistantship, Jul. 2014 – May 2016
  • GATE qualified in ME, 2015.
  • Organizing Committee member in International Conference on Recent Innovations and Developments in Mechanical Engineering organized by NIT Meghalaya, India on Nov. 2018.

External Profile Links

  • Doctor of Philosophy Mechanical Engineering NIT Meghalaya 2022 8.36 (course
    work) Master of Technology CAD,CAM & Automation NIT Silchar 2016 9.78
  • Bachelor of Engineering Mechanical Engineering Gauhati University 2014 70.1
  • Class XII Science CBSE 2009 70.0
  • Class X N.A. CBSE 2007 81.6
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