Mr. Arka Roy

Scientist D, Solid Earth Research Group (SERG)

Email : arka[dot]roy[at]ncess[dot]gov[dot]in

Phone(Off) : 0471-2511624

Fax : 0471-2442280


M.Sc. : 2012, Physics, Indian Institute of Technology Bombay
B.Sc. : 2010, Physics, University of Calcutta, Kolkata, West Bengal

Professional career:

2024 - Present Scientist D, National Centre for Earth Science Studies
2020 - 2023 Scientist C, National Centre for Earth Science Studies
2016 - 2019 Scientist B, National Centre for Earth Science Studies
2015 - 2016 Project Scientist, National Centre for Medium Range Weather Forecasting (NCMRWF), Noida, UP
2013 - 2015 CAT- Trainee Scientist, Indian Institute of Tropical Meteorology (IITM), Pune, India.


  • Training course on ‘AI for Digital Transformation and Data-Driven Decision Making’ for MOES scientists at INCOIS, ITCOO, Hyderabad, India on November 6th to 9th, 2023.
  • Pre-Antarctic Snow-Ice acclimatization training at ITBP Auli, India in connection to the 39th Indian Scientific Expedition to Antarctica on September 10th to October 3rd, 2019.
  • India International Science Festival, Lucknow, India on October 5th to 8th, 2018.
  • MATLAB training program, NCESS, Thiruvananthapuram, India, September 26th to 30th, 2016.
  • ‘Geodynamic processes, evolution of Geophysical fields, Tectonics and Climate’ at IISC Bangalore, September 2016 (1 week).

Achievements & Awards:

  1. Scholarship, Recipient of West Bengal Government Scholarship for Higher Education, awarded by the Ministry of Higher Education, Government of West Bengal, India.
  2. Scholarship, Recipient of Innovation for Scientific Pursuit of Inspire Research (INSPIRE), a National Scholarship awarded by the Department of Science & Technology (DST), Government of India for Academic Excellence in Natural Sciences.
  3. CSIR- NET, Qualified in the subject PHYSICAL SCIENCES under CSIR fellowship scheme in Joint CSIR-UGC Test for Junior Research Fellowship and Eligibility for Lectureship (NET) held on 17-06-2012.
  4. Junior Research Fellow (JRF), Qualified for JRF in IISER Kolkata, Department of Physical Sciences, Ministry of Education, Government of India.
  5. Joint Entrance Screening Test (JEST), Secured All India Rank 78 (with percentile 98.09) conducted by Saha Institute of Nuclear Physics (SINP), India.
  6. Graduate Aptitude Test in Engineering (GATE), Secured All India Rank 340 (with percentile 95.46) conducted by Indian Institute of Technology, Bombay (IIT BOMBAY), India.
  7. Trainee Scientist position, Qualified for Trainee Scientist in IITM Pune, Centre for Advanced Training, Ministry of Earth Sciences, Government. of India./li>
  8. MoES (Ministry of Earth Science) travel grant for 27th IUGG General Assembly, 2019, Montréal, Québec, Canada.


Member, American Geophysical Union (AGU)

Member, European Geosciences Union (EGU)

Software development:

  • SPoDEA: A MATLAB-based GUI for Gravity Inversion for Heterogeneous Sedimentary Basin with b-Spline Polynomial Approximation using Differential Evolution Algorithm.
  • FaultInvPSO: A MATLAB-based GUI for Gravity inversion of 2D Fault having variable density contrast using Particle Swarm Optimization.
  • gravity_forward_3D: A MATLAB-based algorithm for Generalized Gauss-FFT 3D Forward Gravity Modeling for Irregular Topographic Mass having Any 3D Variable Density Contrast.


  1. Insights into Indian Ocean Geoid Low: Geodynamic exploration (MoES-Ministry of Earth Sciences, Govt. of India).
  2. Crustal and mantle structures and geodynamic model of Western Ghats (MoES-Ministry of Earth Sciences, Govt. of India).
  3. Deep lithospheric structure across shear zones, South India (MoES-Ministry of Earth Sciences, Govt. of India).
  4. Constraining Geodynamic evolution of Princes Elezabeth Land (PEL), East Antarctica and Eastern Ghats Belt (EGB), India using geological and geophysical approaches.