SAHAI LabNIT Tiruchirappalli ·CSE
NIT Tiruchirappalli

Research Domains

dm

Data Mining (AI, Machine Learning, Deep Learning)

  • ●Text, Image and Video Mining
  • ●Frequent Pattern Mining
  • ●Classification and Clustering of Text/Image Data
nlp

Natural Language Processing

  • ●Indic Languages
  • ●EEG to Text Processing
  • ●Named Entity Recognition
  • ●Speech Recognition
ir

Information Retrieval

  • ●Knowledge Graphs
  • ●Ontology
  • ●Question-Answering
dc

Data Compression

  • ●Text Compression
  • ●Image, Video Compression
  • ●Graph Compression
cssg

Computational Science for Social Good

  • ●Fake News Detection
  • ●Multimodal Hate Speech Detection
  • ●Computational Linguistics and Clinical Psychology
hci

Human-Computer Interaction

  • ●Design of CAPTCHAs
  • ●Design of Loading Bars
gen

Generative AI

  • ●Large Language Models (LLMs)
  • ●Small Language Models (SLMs)
  • ●Retrieval-Augmented Generation (RAG)
  • ●Multimodal Generative Models

Events Organized

  • ●AICTE-sponsored ATAL Faculty Development Program (FDP) on Generative AI and Ethical AI: Techniques and Applications at NIT Tiruchirappalli (NITT).
  • ●ACM-sponsored ROCS: Research Opportunities on Computer Science, held on 05 April 2024.
  • ●Five-day self-sponsored National Workshop on "Machine Learning and Data Science — Techniques and Trends", NIT Tiruchirappalli, 26–30 June 2023 (co-organized with Dr. J. Pavan Kumar)
  • ●One-Day National Level Workshop on "Pixels on Point", VIT Chennai, 22 February 2020
  • ●Industrial guest lectures on Data Structures and Algorithms (LinkedIn) and Problem Solving Techniques (Google), VIT Chennai

Invited Events

  • "From Large to Lightweight: Intelligent Riddle Evaluation Using Large and Small Language Models" and "Attention-Driven Intelligence: A Journey Through Transformer Architectures" at the FDP on Agentic Systems, KARE, June 2026
  • "Attention Mechanisms and Transformer Architectures" at Sona College of Technology, Salem, May 2026
  • "Creative Methods and Tools for Effective Research Dissemination" at Sona College of Technology, Salem, May 2026
  • "Federated Learning & Privacy-Preserving Techniques" at PMC Tech, Hosur, April 2026
  • "AI & ML Applications for Mechanical Engineers (AMAME)" at Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, March 2026
  • "A Tale of Two Cities: Machine Learning for Social Good – Applications and Trends" at K. Ramakrishnan College of Engineering, Tiruchirappalli, October 2025
  • "Generative AI - Basics" at the STTP on Design for Additive Manufacturing, IIITDM Kancheepuram, July 2025
  • "From Words to Worlds: Generative AI for Computational Social Good" at RCODS, IIITDM Kancheepuram, March 2025
  • "Generative AI" at the Winter School on Interdisciplinary Pathways in Computational Social Sciences, IIT Jodhpur, February 2025
  • "Smart Predictive Maintenance: Harnessing Machine Learning for Manufacturing Efficiency" at the FDP on Application of Digital Technologies in Manufacturing Environment, NIT Tiruchirappalli, February 2025
  • "Unlocking the Power of Data: Exploring Machine Learning and Its Real-World Applications" at MIET Arts and Science College, Tiruchirappalli, January 2025
  • One-day Workshop on "Artificial Intelligence in Non-Destructive Testing (AI NDT)" at Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, April 2024
  • "Industry Applications of Artificial Intelligence and Machine Learning" during the Industry 4.0 Lecture Series, NIT Tiruchirappalli, March 2024
  • "A Tale of Two Cities: Machine Learning with Quantum Computing – Concepts and Applications" at University of Technology and Applied Science, Ibri, Sultanate of Oman, February 2024
  • "A Tale of Two Cities: Machine Learning for Humanities & Social Sciences – Applications and Trends" at the International Seminar on Innovation and Inclusion Through Technology-Enhanced Learning, IIT Jodhpur, February 2024
  • "Problem Solving and Ideation" at CMR Technical Campus, Hyderabad, November 2023
  • "Introduction to Scikit Learn and Pandas" at the Workshop on Computational Social Science, NIT Tiruchirappalli, August 2023
  • "Reinforcement Learning" and "Why is Machine Learning a Buzzword in Today's World?" at the National Workshop on Machine Learning and Data Science – Techniques and Trends, NIT Tiruchirappalli, June 2023
  • "After Ph.D, What Next?" at RSD 2021, IIITDM Kancheepuram, February 2021
  • "Career Opportunities for a Budding Engineering Student – The Way Forward" at Kongunadu College of Engineering and Technology, Tiruchirappalli, July 2020
  • "Efficient Algorithms for Text and Image Compression Based on Knowledge Engineering" at VIT Chennai, November 2019
  • AI and ML in Robotics at Karpaga Vinayaga College of Engineering and Technology, Chennai
  • Entrepreneurship, Innovation and Creativity at CMR Technical Campus Hyderabad
  • Career Opportunities for budding Engineering Graduates at Sona College of Technology, Salem and Kongunadu College of Engineering, Trichy
  • Data Science at Solamalai College of Engineering, Madurai
  • An Introduction to Supervised and Unsupervised Learning at Guru Nanak College, Chennai and SRM University, Chennai
  • Machine Learning at KGiSL Institute of Technology, Coimbatore
  • An Informal Introduction to Machine Learning and Reinforcement Learning at NIT Tiruchirappalli
  • Types of Itemsets and their algorithms, Workshop DAMI' 2018 at IIITDM Kancheepuram
  • CODS'15, CODS'16, VLDB'16, CODS'14 and CODS'18 through travel grants from ACM SIGKDD
  • Doctoral Committee Member — VIT, Amrita University, KTU