
Dr. Ratan Das
Assistant Professor
Ph.D. : IIT BombayResearch Interests:
Engineering Geology, Rock MechanicsDate of Joining : May 7, 2022
Phone: +91 7977026021
Email: ratan.das@cottonuniversity.ac.in
About
Education
Post-Doctoral Fellow, Department of Geology and Geophysics, IIT Kharagpur, (17 March 2020 - 12 July 2021)
Ph.D. (Engineering Geology), Department of Earth Sciences, IIT Bombay, February 2019
M.Sc. (Applied Geology), Department of Earth Sciences, IIT Bombay, 2015
B.Sc. (Geology) Department of Geology, Cotton College, Gauhati University, 2013
Teaching
- Assistant Professor, Department of Geology, Cotton University, Guwahati, Assam (7th May 2022 - Present)
- Assistant Professor, Department of Earth Science, Assam University, Silchar, Assam (14th July 2021 - 6th May 2022)
- Guest Assistant Professor, Department of Geology, Rajiv Gandhi University, Itanagar (14th Sept 2018 – 13th March 2020)
- Teaching Assistant, Department of Earth Sciences, IIT Bombay, Powai (16th July 2015 – 27th June 2018)
Research Projects
Sl. No | Name of the Project | Name of the Principal Investigator(PI) | Name of the Co-PI | Name of the Funding Agency | Type (Government/Non-Government) | Year | Funds Sanctioned (INR in lakhs) | Duration of the Project |
---|---|---|---|---|---|---|---|---|
1 | Analysis of growth and initiation mechanism of rainfall-induced debris slides in Dima Hasao, Assam Status: Ongoing |
Dr. Ratan Das | Cotton University, Guwahati | In House | 2023 | 1 Lakh | 18 months | |
2 | Evaluation of geohazard risks due to climatic and geologic factors in the Cachar-Tripura-Mizoram (CTM) fold belt of northeast India: A coupled hydromechanical and geotechnical modelling Status: Completed |
Dr. Ratan Das | DST-SERB | Government | 2022 | 33 Lakh | 2 Years |
Research paper publications
2025
1. Das R, Catastrophic landslide in Wayanad district of Kerala, India on July 30, 2024: A complex interplay between geology, geomorphology, and climate, Landslides, vol. 22, 271-281, 2025 https://doi.org/10.1007/s10346-024-02385-8
2. Das S, Das R, Mazumder D, Runout Characteristics of Rainfall-Induced Debris Flow: A Case Study from Sonapur, Meghalaya, India, Geotechnical and Geological Engineering, vol. 43, 122, 2025 https://doi.org/10.1007/s10706-025-03078-2
3. Mazumder D, Das R, Das S, Multi-Criteria Decision Analysis Framework for Landslide Susceptibility Mapping With Analytical Hierarchy Process in Parts of Assam–Arakan Fold Belt, India, Geological Journal, 1-16, 2025 https://doi.org/10.1002/gj.5229
4. Mazumder D, Das R, Das S, Singh TN, Understanding the landslide trigger mechanism in gently dipping shale beds: A case study from Aizawl, Mizoram, India, Journal of Earth System Science, vol. 134, 1-18, 184, 2025 https://doi.org/10.1007/s12040-025-02647-6
2024
1. Das R, Singh TN, Geotechnical Insights of the Cut Slopes Along Silchar-Haflong National Highway, Assam, India, Geotechnical and Geological Engineering, vol. 42, 6195–6217, 2024 https://doi.org/10.1007/s10706-024-02892-4
2022
1. Das R, Singh TN, A novel technique for temporal evolution of rockburst in underground rock tunnel: an experimental study, Environmental Earth Sciences, vol. 81, 420, 2022 https://doi.org/10.1007/s12665-022-10546-y
2021
1. Das R, Phukon P, Singh TN, Understanding the cause and effect relationship of debris slides in Papumpare district, Arunachal Himalaya, India, Natural Hazards, vol. 110, 1735-1760, 2021 https://doi.org/10.1007/s11069-021-05010-2
2. Das R, Dhouchak R, Singh TN, Analysis and prediction of brittle failure in rock blocks having a circular tunnel under uniaxial compression using acoustic Emission technique: laboratory testing and numerical simulation, International Journal of Geo-Engineering, vol. 12, 14, 2021 https://doi.org/10.1186/s40703-020-00136-x
3. Das R, Singh TN, Effect of Rock Bolt Support Mechanism on Tunnel Deformation in Jointed Rockmass: A Numerical Approach, Underground Space, vol. 6, 409-420, 4, 2021 https://doi.org/10.1016/j.undsp.2020.06.001
2020
1. Das R, Singh TN, Effect of Closely Spaced, Non-Persistent Ubiquitous Joint on Tunnel Boundary Deformation: A Case Study from Himachal Himalaya, Geotechnical and Geological Engineering, vol. 39, 2447–2459, 2020 https://doi.org/10.1007/s10706-020-01637-3
2018
1. Panthee S, Singh PK, Kainthola A, Das R, Singh TN, Comparative study of the deformation modulus of rock mass - a reply to the comments received from Gokceoglu (2018), Bulletin of Engineering Geology and the Environment, vol. 77, 763-766, 2018 https://doi.org/10.1007/s10064-018-1272-z
2017
1. Das R, Singh PK, Kainthola A, Panthee S, Singh TN, Numerical analysis of surface subsidence in asymmetric parallel highway tunnels, Journal of Rock Mechanics and Geotechnical Engineering, vol. 9, 170-179, 1, 2017 https://doi.org/10.1016/j.jrmge.2016.11.009
2. Guha Roy D, Singh TN, Kodikara J, Das R, Effect of Water Saturation on the Fracture and Mechanical Properties of Sedimentary Rocks, Rock Mechanics and Rock Engineering, vol. 50, 2585-2600, 2017 https://doi.org/10.1007/s00603-017-1253-8
2016
1. Panthee S, Singh PK, Kainthola A, Das R, Singh TN, Comparative study of the deformation modulus of rock mass, Bulletin of Engineering Geology and the Environment, vol. 77, 751-760, 2016 https://doi.org/10.1007/s10064-016-0974-3
Conference Proceedings
2025
1. Mazumder D, Das R, Das S, Laboratory Simulation of Rockfall Hazard in Different Sedimentary Rocks of Mizoram, India, Proceedings of the 2nd International Conference on Geotechnical Issues in Energy, Infrastructure and Disaster Management. ICGEID 2024. Lecture Notes in Civil Engineering, vol. 475 Springer, Singapore, 77-92, 978-981-97-1757-6, 2025 https://doi.org/10.1007/978-981-97-1757-6_7
2023
1. Das R, Tunnelling in squeezing ground – a review on prediction and measurement of boundary deformation and available mitigation methods, 5th International Disaster Risk and Vulnerability Conference (DVRC 2023). K. R. Baiju, Karunakaran Akhildev, Joice K Joseph, Naveen Babu, Anithomas Idiculla, Asha Rose, Shibu K Mani, Mahesh Mohanand A.P. Pradeep Kumar (Eds) 19-21 Jan 2023, Kerela, India, 978-93-80419-73-2, 2023 Link
Conference Proceedings till 2021
Full Articles in International Conferences
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Prasad S, Das R, Singh TN, 2018. Estimation of Rock Bolt Length for a Tunnel by Numerical Modeling: A Case Study in Himalayas, Arunachal Pradesh, India, in: ISRM International Symposium - 10th Asian Rock Mechanics Symposium, ARMS 2018. OnePetro, Z. Zhao, Y. Zhou, J. Shang (Eds) 29 October - 3 November - 2018, Singapore. [ISBN: 978-981-11-9003-2], https://onepetro.org/ISRMARMS/proceedings/ARMS1018/All-ARMS1018/ISRM-ARMS10-2018-159/43325
- Das R, Sharma KM, Singh TN, 2018. Physical and Numerical Model to Investigate Shallow Tunnel Instabilities in Loose Soil, in: International Conference on Geo-Mechanics, Geo-Energy and Geo-Resources – IC3G 2018, Sichuan University, Chengdu, China.
- Prasad S, Das R, Singh TN, Prasad R, 2018. Geological and Geotechnical Problems Encountered during Construction of Butterfly Valve Chamber and Penstock Assembly Chamber of Tehri Pumped Storage Plant, in: International Conference on Geo-Mechanics, Geo-Energy and Geo-Resources – IC3G 2018, Sichuan University, Chengdu, China.
- Prasad S, Das R, Singh TN, Prasad R, 2018. Assessment Causes of Overbreak and Control Measures In Underground Tunnel during Construction - A Case Study from Central Himalayas (HP), in: International Conference on Geo-Mechanics, Geo-Energy and Geo-Resources – IC3G 2018, Sichuan University, Chengdu, China.
- Das R, Sirdesai NN, Singh TN, 2017. Analysis of Deformational Behavior of Circular Underground Opening in Soft Ground Using Three-Dimensional Physical Model, in: American Rock Mechanics Association (ARMA) 2017, 51st US Rock Mechanics / Geomechanics Symposium (5 VOLS). San Francisco, California, USA. [ISBN: 978-15-1085-7582], https://onepetro.org/ARMAUSRMS/proceedings/ARMA17/All-ARMA17/ARMA-2017-0172/124188
- Singh PK, Das R, Singh KK, Singh TN, 2016. Landslide in fractured and stratified rocks - A case from Aizawl, Mizoram, India, in: Proceedings of the Conference on Recent Advances in Rock Engineering (RARE 2016), Bengaluru, India. Atlantis Press, Paris, France, pp. 189–194. doi:10.2991/rare-16.2016.59, [ISBN: 978-94-6252-2], https://www.atlantis-press.com/proceedings/rare-16/25864904
Full Articles in National Conferences
- Das R, Singh TN, 2017. Numerical Modelling of Horseshoe Shaped Tunnel to Analyse the Extent and Effect of Disturbed Zone in Jointed Rockmass under Variable Joint spacing, in: INDOROCK 2017: 7th Indian Rock Conference. New Delhi, pp. 325–335.
- Das R, Singh PK, Kainthola A, Singh TN, 2016. Deformational Behavior of Jointed Rockmass during Tunnelling and Determination of Support System Using Finite Element Method, in: INDOROCK 2016: 6th Indian Rock Conference. pp. 314–333.
Abstracts / Extended Abstract in Conference Proceedings/Journals/Books
- Das R (2025) Stress and deformational behaviour of weak jointed rock mass during tunnelling. Journal of Rock Mechanics and Tunnelling Technology (JRMTT), Editors: Subhash Mitra, R. K. Goel, R. D. Dwivedi, Ashok Kumar Singh. Vol. 31, No.1. [ISSN: 0971-9059]
- Das S, Das R, Mazumder D (2024) Engineering characterization of landslide derived material: A case study on Sonapur landslide, Meghalaya. In: International Conference on Climate Change and Natural Resources Management for Sustainable Development (ICNS-2024), Editors: B.P. Mishra, Santanu Ghosh, Laltanpuia Renthlei, Madhurima, Organized by School of Earth Sciences and Natural Resources Management, Mizoram University, Aizawl, Mizoram, India.
- Mazumder D, Das R, Das S (2024) Understanding the multi-aspect debris characteristics of a landslide along the Lumding-Haflong road section. In: International Conference on Climate Change and Natural Resource Management for Sustainable Development (ICNS-2024), Editors: B.P. Mishra, Santanu Ghosh, Laltanpuia Renthlei, Madhurima, Organized by School of Earth Sciences and Natural Resources Management, Mizoram University, Aizawl, Mizoram, India.
- Medhi D, Das R (2024) Rock mass characterization and classification along Guwahati Shillong national highway. In: The 44th IIG Annual Meet and International Conference (IIG 2024): Shaping Tomorrow: Society, Culture, and the Environment in an Interconnected World, Cotton University, Guwahati, Assam, India.
- Das S, Das R, Mazumder D (2024) Simulating the effect of acid rain on the durability of limestone through accelerated weathering test. In: The 44th IIG Annual Meet and International Conference (IIG 2024): Shaping Tomorrow: Society, Culture, and the Environment in an Interconnected World, Cotton University, Guwahati, Assam, India.
- Mazumder D, Das R, Das S (2024) Investigating physico-mechanical properties of Bhuban shale and their impact on landslides amidst rapid urbanization in Aizawl, Mizoram. In: The 44th IIG Annual Meet and International Conference (IIG 2024): Shaping Tomorrow: Society, Culture, and the Environment in an Interconnected World, Cotton University, Guwahati, Assam, India.
- Mazumder D, Das R, Das S (2024) Laboratory simulation of rockfall hazard in different sedimentary rocks of Mizoram, India. In: 2nd International Conference on Geotechnical Issues in Energy, Infrastructure and Disaster Management (ICGEID 2024), IIT Patna, Bihar, India.
- Das R, Das S, Singh TN (2023) Bedding-controlled landslide hazard in Assam Arakan Fold belt: A case study from Aizawl, Mizoram, India. In: 1st SLRMES Conference on Rock Mechanics for Infrastructure and Geo-Resources Development - an ISRM Specialized Conference, Colombo, Sri Lanka, pp 83-84, [ISBN: 978-624-6506-00-1]
- Das R, Phukon P, Niyogi A (2022) Numerical Modelling Approach to Evaluate Debris Slide: A Case Study from the North East Himalaya, India. In: Ghosh S, Mandal HS (eds) 36th International Geological Congress, Geosciences: The Basic Science for a Sustainable Future (The Volume of Abstracts). Geological Society of India, Bengaluru, New Delhi, pp 3274–3275, [ISBN: 978-93-80998-45-9]
- Niyogi A, Sarkar K, Das R, Singh TN (2022) Evaluation of Rockfall Risk Potential Using Rigid Body Model Along National Highway 66 Near Ratnagiri, Maharashtra, India. In: Ghosh S, Mandal HS (eds) 36th International Geological Congress, Geosciences: The Basic Science for a Sustainable Future (The Volume of Abstracts). Geological Society of India, Bengaluru, New Delhi, pp 3215–3216, [ISBN: 978-93-80998-45-9]
Research Scholars
Sl. No | Name | Research Topic | Roll No |
---|---|---|---|
1 | Mr. Sourav Das | Engineering Geology | GLY2391001 |
2 | Mr. Debasish Mazumder | Engineering Geology | GLY2491002 |
Awards
- Received the International Travel Support (ITS) award from DST-SERB, 2023.
- Awarded the Startup Research Grant (SRG) from DST-SERB, 2022.
- Cleared Joint CSIR-UGC NET in June 2020.
- Cleared IIT-JAM 2013, ISM 2013, and IIT GATE GG from 2015 to 2021.
Other Information
Workshop organized
- Organized a One-Day Research Facility Training Program on 21/08/2024 at the Department of Geology, Cotton University, funded by SERB through Project No. SRG/2022/000447.
Editorship
- Guest Editor, Special Issue in Discover Geoscience (Springer) Link
- Guest Editor, Special Issue in Environmental Earth Sciences (Springer) Link
Faculty induction / Orientation programme / Refresher course completed
- Completed 4-week faculty induction/orientation programme from Teaching Learning Centre, Ramanujan College, University of Delhi under the aegis of Ministry of Education, Government of India, PMMMNMTT Scheme (17 Sept - 16 Oct 2021)
- Completed 1-month Faculty Induction Programme (FIP) from UGC – Human Resource Development Centre, University of Allahabad (7 Nov - 6 Dec 2022)
- Completed 2-week Refresher course in Earth Sciences and Allied Subjects (Multidisciplinary) of UGC-Human Resource Development Centre, NEHU, Shillong (19 Feb - 02 Mar 2024)
Laboratory Developed: Rock Mechanics & Rock Engineering Laboratory
Instrumentation Facility available:
- Rock Core Drilling Machine & Rock Cutting Machine
- Automatic Compression Testing Machine (ACTM), Capacity: 500 kN
- DataTaker DT82E Series Data Logger
- Stacked Deep Resistivity Meter (2D)
- Muffle Furnace (Max Temp: 1200°C, Working Temp: 1150°C)
- Laboratory Electric Oven (Temp Range: 50° - 250°C +/-1°C)
- Casagrande apparatus & Cone Penetrometer apparatus
- Slake Durability Apparatus
- Brazilian tensile strength test apparatus
- Point Load Index test apparatus
- Block punch index apparatus
- Three-point bending apparatus
Selected Seminars/Conferences Attended
1. INDOROCK 2016: 6th Indian Rock Conference, ISRMTT
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2. ISRM, Recent Advances in Rock Engineering (RARE-2016)
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3. ARMA 2017: 51st US Rock Mechanics/Geomechanics Symposium
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4. INDOROCK 2017: 7th Indian Rock Conference, ISRMTT
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5. DRVC 2023: 5th International Disaster Risk and Vulnerability Conference
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6. SLRMES 2023: 1st SLRMES Conference on Rock Mechanics for Infrastructure and Geo-Resources Development - an ISRM Specialized Conference
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7. ICGEID 2024: 2nd International Conference on Geotechnical Issues in Energy, Infrastructure and Disaster Management
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