• Google Scholar: https://scholar.google.co.in/citations?user=MzZ16KwAAAAJ&hl=en
• Research Gate: https://www.researchgate.net/profile/Das_Sufal

1. Assistant Professor, Department of Information Technology NEHU, Since February 2010.
2. Lecturer, Sikkim Manipal Institute of Technology, Sikkim, from August 2008 to January 2010.
3. Visiting Faculty, National Institute of Technology, Arunachal Pradesh in the year 2013 and 2015.
4. Guest Lecturer, CPGS, Central Agricultural University, Meghalaya for the year 2017.

1. Centre Manager, NEHU NTA Exam Centre, Shillong
2. Nodal Officer, NEHU, Vidyanjali, Ministry of Education, GoI
3. PI In-Charge, NEHU CSAB 2023, 2024 Admission.
4. Warden, International Students' Hostel NEHU Shillong.
5. Warden, Kyllang Hostel NEHU Shillong. (2014-2021)
6. Member, School Board, School of Technology, NEHU.
7. Member, Departmental Purchase Committee, IT Department from 2010 to 2017.
8. Coordinator, Central Academic Committee, School of Technology, NEHU, from 2012 to 2016.
9. Member, Moderation Board for IT,CSE and ECE.
10. Member of College Inspection Committee.
11. Faculty Advisor, CIPHER, IT, NEHU Shillong
12. Presiding Officer, NEHUSU Election

1. Academic Councilor, IGNOU, Shillong.
2. External Examiner, Mizoram University.
3. External Project Examiner, RIST, Meghalaya
4. External Examiner, NIELIT, Shillong
5. External Examiner, St. Anthony’s College Shillong.
6. External Examiner, CPGS, CAU, Shillong

1. Data Structure and Algorithm
2. Computer Organization and Architecture
3. Formal Language and Automata Theory
4. Computer System and Programming
5. Software Engineering
6. Compiler Design
7. Numerical Methods
8. Data Mining and Data Warehouse
9. Pattern Recognition
10. Algorithm Analysis and Design
11. Object Oriented Programming and Methodology
12. Theory of Computer Science

Ph.D. Registered Students: 03

M.Tech Thesis Supervised: 19

Publications

Edited Book:

1. Acted as Editor for the book titled “Proceedings of the International Conference on Computing and Communication Systems - I3CS 2020, NEHU, Shillong, India”, Springer International Publication, Springer Singapore. (E–book ISBN: 10.1007/978-981-33-4084-8) DOI: 10.1007/978-981-33-4084-8.
2. Acted as Editor for the book titled “Proceedings of the International Conference on Computing and Communication Systems - I3CS 2023, NEHU, Shillong, India”, IEEE. 979-8-3503-2377-1 IEEE | DOI: 10.1109/I3CS58314.2023.10127254.

List of publications 

1. Ahmed, Zahid, and Sufal Das. " A Novel Hybrid Resampling Approach to Address Classâ??Imbalanced Issues " SN Computer Science, Springer 5, no. 1 (2024): 1-16. (SCOPUS Indexed)
2. Ahmed, Zahid, Biju Issac, and Sufal Das. "Ok-NB: An Enhanced OPTICS and k-Naive Bayes Classifier for Imbalance Classification with Overlapping." IEEE Access (2024). (SCI, SCOPUS Indexed) 
3. Sufal Das. " A new technique for classification method with imbalanced training data." International Journal of Information Technology, Springer, (2024): DOI : 10.1007/s41870-024-01740-1 (SCOPUS Indexed)
4. Ahmed, Zahid, and Sufal Das. "A Comparative Analysis on Recent Methods for Addressing Imbalance Classification." SN Computer Science, Springer 5, no. 1 (2023): 1-18. (SCOPUS Indexed)
5. Ahmed, Zahid, S. Md S. Askari, and Sufal Das. "Comparative Analysis of Recent Data-Level Methods for Imbalance Classification." In 2023 4th International Conference on Computing and Communication Systems (I3CS), pp. 1-6. IEEE, 2023. (SCOPUS Indexed)
6. Mukhim, Banteilang, and Sufal Das. "Sentiment Analysis and Emotion Detection from Khasi Text Data: A Survey." In Proceedings of International Conference on Information and Communication Technology for Development: ICICTD 2022, pp. 171-180. Singapore: Springer Nature Singapore, 2023. (SCOPUS Indexed)
7. Das, Sufal. "LowEST: a low resource semantic text summarization method for big data." Innovations in Systems and Software Engineering (2022): 1-8. (SCOPUS Indexed) (Impact Factor: 1.2)
8. Laskar, Afsana, and Sufal Das. "Design a New Learning based Method for Smart Semantic Data Management System." Proceedings of the International Conference on Computing and Communication Systems. Springer, Singapore, 2021. (SCOPUS Indexed)
9. Sufal Das and Kangkan Ray. " Design a New Method for Prediction of DNA-Binding Protein Using Deep Learning" International Journal of Advanced Science and Technology  29(6) 4435-4442 2020. (SCOPUS Indexed)
10. Roy, Kangkan, Nath, Amitabha, and Sufal Das. " preDNA: A Machine Learning Method for Prediction of DNA-Binding Proteins " Proceedings of 2nd Annual Convention Of The Neast And International Seminar On Recent Advances In Science And Technology 2020, Mizoram University, India.
11. Sufal Das and Nimesh Kumar. " New Distributed Data Fusion Using Pregel For Large Text Dataset" International Journal Of Scientific & Technology Research  8(12) 2090-2098 2019. (SCOPUS Indexed)
12. Sufal Das. " eStep: A Novel Method for Semantic Text Summarization with Web-based Big Data" International Journal of Recent Technology and Engineering  8(3) 5171-5175 2019. (SCOPUS Indexed)
13. Das, S., Kalita, H. K. Semantic Prediction using Distributed Rule Mining for Web-Based Big Stock Data. Journal of Computational and Theoretical Nanoscience, ISSN: 1546-1955, American Scientific Publishers. (SCOPUS Indexed)
14. Das, S., Kalita, H. K. S3CALL: A Semi-supervised Sentiment Classification Method for Large Web-based Data. Journal of Computational and Theoretical Nanoscience, ISSN: 1546-1955, American Scientific Publishers. (SCOPUS Indexed)
15. Sufal Das, “Optimization of Association Rule Mining using Multi-objective Genetic Algorithm”, IEEE International Advance Computing Conference (IACC-2009) March 6-7, 2009, Thapar University, India.
16. Das, S., Kalita, H. K. (2017). Sentiment Analysis for Web-based Big Data: A Survey. International Journal of Advanced Research in Computer Science, ISSN: 0976-5697, 8(5), pp. 1996-1999.
17. Sharma, Rupam Kumar, Hemanta Kumar Kalita, S. Das, and Biju Issac. "Learning is never secure: Poison learning by intrusion detection system based on self-organizing map." In 5th IEEE-EDS International Conference on Computing, Communication and Sensor Network. Kolkata 2016.
18. Das, S., & Kalita, H. K. (2015). Advanced Dimensionality Reduction Method for Big Data. Research Advances in the Integration of Big Data and Smart Computing, IGI USA,198.
19. Das, S., & Kalita, H. K. (2015). Efficient Classification Rule Mining for Breast Cancer Detection. Research Advances in the Integration of Big Data and Smart Computing, IGI USA, 50.
20. Das, S., & Kalita, H. K. (2015). Semantic Model for Web Based Big Data using Ontology and Fuzzy Rule Mining .Smart Innovation, Systems and Technologies (SIST) Springer. ISSN Number – 2190-3018. (SCOPUS Indexed)
21. Das, S., BV Syiem & Kalita, H. K. (2015). Popularity Analysis on Social Network: A Big Data Analysis . International Journal of Computer Applications . Vol 1, pp 27-31.
22. Das, S., PJ Rapmi & Kalita, H. K. (2015). Prediction of Stock Market using Association Rule Mining: A Big Data Analysis. IGI Global Publication, USA ISBN 978-1-4799-5857-01: Proceedings of I3CS 2015.
23. Das, S., & Kalita, H. K. (2015). Efficient Feature Selection Method for Big Data. IRD India, ISBN:978-2-642-24819-1: Proceedings of EECCS 2015.
24. Das, S., & Kalita, H. K. (2015). Breast Cancer Diagnosis using Evolutionary Algorithm based Classification Rule Mining. IRD India, ISBN:978-2-642-24819-1: Proceedings of EECCS 2015.
25. Das, S., BV Syiem & Kalita, H. K. (2014). Popularity Analysis on Social Network using MapReduce. ISBN: 81-85824-46-0: Proceedings of CCSN 2014.
26. Das, S., & Kalita, H. K. (2014). Big Data Analysis: State of the Art and few Open Problems. Communication, Cloud and Big Data: Proceedings of CCB 2014.
27. Sufal Das, Mirzanur Rahman and Ashish Datta, “Multi-objective Genetic Algorithm for Association Rule Mining”, National Seminar cum Workshop on Distributed Computing (NSDC-2009) March 6-7, 2009, Sikkim Manipal Institute of Technology, India.
28. Sufal Das, Banani Saha, “Data Quality Mining using Genetic Algorithm”, International Journal of Computer Science and Security, ISSN: 1985-1553 3(2), 2009.
29. Sufal Das, Bhabesh Nath, “Dimensionality Reduction using Association Rule Mining”, IEEE Region 10 Colloquium and Third International Conference on Industrial and Information Systems (ICIIS 2008) December 8-10, 2008, IIT Kharagpur, India. ISBN: 978-1-4244-2806-9, INSPEC Accession Number: 10502592, Digital Object Identifier: 10.1109/ICIINFS.2008.4798351, Current Version Published: 2009-03-06.  (SCOPUS Indexed)

Conferences/Workshops Organized:

1. Acted as Organizing Co-Chair of International Conference on Computing and Communication System (I3CS’20), 2020 at Department of IT, NEHU.
2. Acted as Organizing Co-Chair of International Conference on Computing and Communication System (I3CS’23), 2023 at Department of IT, NEHU.
3. Acted as Local Organizing Committee member for ISI-NEHU Winter School on Soft Computing, Pattern Recognition and Image Processing at Department of IT, NEHU during October 2011.
4. Acted as Organizing Committee member for Fifteenth North East Workshop on Computational Information Processing Department of IT, NEHU during December 2013.
5. Acted as Organizing Committee member for International Conference on Computing and Communication System (I3CS’15),  2015 at Department of IT, NEHU.
6. Acted as Organizing Committee member for International Conference on Computing and Communication System (I3CS’16),  2016 at Department of IT, NEHU.

Invited Lectures:

1. Delivered invited talk on Introduction to Information Technology  in UGC-ASC 6th Orientation Programme, NEHU Shillong.
2. Delivered invited talk on Social Network Analysis in Workshop on Awareness Programme on Cyber Crime, CID, Govt. of Meghalaya.                                           
3. Delivered invited talk on Data Mining and Its Application in Workshop on Awareness Programme on Cyber Crime, CID, Govt. of Meghalaya.
4. Delivered invited talk on Formal Language and Automata Theory at NIT Arunachal Pradesh.
5. Delivered invited talk on ICT in Students' Assessment in National Webinar on Use of ICT in Teaching Learning during Pandemic and Post Pandemic Situation, DDM College, Kolkata.
6. Delivered invited talk on ICT for Effective Online Learning with Assessment in National Webinar on Innovative approaches to Content Delivery and Evaluation of Learners through Digital Platform, Govt. Degree College, Tripura.
7. Delivered invited talk on Introduction to Data Mining  in Refresher Course on AI and Data Science, UGC-HRDC NEHU Shillong.

Professional Development Activities:

• Attended 30th Orientation Programme held from 29.01.2015 to 25.02.2015 at ASC, North-Eastern Hill University.
• Attended Refresher Course in Information Technology held from 01.07.2013 to 21.07.2013 at North-Eastern Hill University.
• Attended ISI-TU ASSAM Winter School on Soft Computing held on 20^th to 23^rd December 2010 at Tezpur University, Assam.
• Attended Workshop on Scientific Computing and Applications held on 13^th  to 14^th September 2011 at North Eastern Hill University, Shillong.
• Attended ISI-NEHU Winter School on Soft Computing, Pattern Recognition and Image Processing held on 20^th to 24^th October 2011 at North Eastern Hill University, Shillong.
• Attended National Workshop on Use and Development of Web and Video Courses for Enriching Technical Education held on 4^th to 5^th  November 2011 at IIT Guwahati.
• Attended National Workshop on e-Governance held on 9^th April 2012 at North Eastern Hill University, Shillong.
• Attended DIT Sponsored Workshop on Trends in Cryptography and Network Security held on 14^th to 16^th June 2012 at North Eastern Hill University, Shillong.
• Attended Workshop on Introduction to Computational Phonetics, Phonology and Prosody held on 23^rd to 29^th December 2012 at Tezpur University, Assam.
• Attended Workshop on North-Eastern Region on Advances in Document Analysis and Retrieval  held on 7^th to 11^th March 2013 at Gauhati University, Assam.
• Attended Short-Term Course on Role of numerical Analysis in Scientific Computing held on 20^th to 24^th May 2013 at IIT Guwahati, Assam.
• Attended 15^th Workshop on Computational Information Processing held on 3^rd to 6^th December 2013 at North Eastern Hill University, Shillong.
• Participated in International Conference (ADCOM 2007) at IIT Guwahati, Assam.
• Participated in National Conference (NCTAC 2007) at Tezpur University, Assam.
• Participated in National Conference (IEEE WieNSET 2007) at WBUT, Kolkata.
• Completed short term course on Embedded Systems ’08 at Tezpur University.