GNN-XGBoost Fusion: Improving Chronic Disease Risk Prediction through Graph-Structured Clinical Representations
Killada Sai Kumar, C Vanmathi, R Mangayarkarasi
Publication date: 26 February 2026
Professor
School of Computer Science Engineering & Information Sciences
Vellore Institute of Technology (VIT), Vellore Campus
Dynamic academician and researcher with 20+ years of teaching, research, and consultancy experience. Proven expertise in Image Processing, Artificial Intelligence, Cyber-Physical Systems, Blockchain & IoT, with 42+ SCI journal publications, 23+ conference papers, and 12 national patents. Leading funded national & international research projects promoting sustainable development through AI-driven solutions.
Recent national patent publications and seven new scholarly entries are listed on this page and in the Publications and Patents sections.
Interactive visualizations of research achievements, publications, and contributions
42+ SCI journal publications and 23+ Scopus-indexed conference papers in top-tier journals and conferences
Killada Sai Kumar, C Vanmathi, R Mangayarkarasi
Publication date: 26 February 2026
S Ragavi, C Vanmathi, R Mangayarkarasi
Publication date: 6 December 2025
Gajavada Vishnu, C Vanmathi, R Mangayarkarasi
Publication date: 6 December 2025
Rama Krishna Guduru, C Vanmathi, AKV Chakravarthy, Muskan Shaik, Sanjay Gopoji, Shiva Bommanoni
Publication date: 25 September 2025
Vasavi Chithanuru, Mangayarkarasi Ramaiah, Vanmathi Chandrasekaran
Publication date: 21 August 2025
Mangayarkarasi Ramaiah, Vanmathi Chandrasekaran, Vikash Chand, Asokan Vasudevan, Suleiman Ibrahim
Manoj Kumar Pulligilla, C Vanmathi
Current and completed research initiatives spanning AI, healthcare, image processing, and cybersecurity
Funding Agency: Anusandhan National Research Foundation (ANRF), National
Role: Co-Principal Investigator (Co-PI)
Amount: ₹ 2,30,00,000
Sanctioned: 12 July 2025
Funding: Technology Innovation Institute, UAE
Role: Co-PI
Value: ₹4,26,857
Sanctioned: 15 Sep 2025
Funding Partner: Perficient India Pvt Ltd
Role: Principal Investigator (PI)
Amount: ₹1,10,064
Duration: May–Oct 2022
Funding Partner: Perficient India
Role: Principal Investigator (PI)
Amount: ₹53,218
Duration: Jan–Mar 2023
Developed a mobile-friendly Event Management Portal for the School to streamline approval workflows and maintain centralized records for guest lectures, workshops, seminars and value-added courses.
Designed and developed a web-based Final Year Project Management Portal to handle project submissions, multi-level review processes, document evaluation and long-term record maintenance for all academic programs of the School.
12 National Patents published in India, showcasing innovative research contributions
Comprehensive record of workshops organized, guest lectures delivered, and professional development activities
Date: June 9, 2023
Date: November 12, 2022
Date: November 3, 2019
Date: March 30, 2019
Date: February 23, 2019
Date: March 17, 2017
Date: June 20-30, 2016
Date: September 21, 2013
Date: April 22, 2013
Date: August 6-8, 2012
Date: April 20, 2012
Date: September 1, 2011
Industry-recognized certifications demonstrating expertise in cutting-edge technologies
Robotic Process Automation (RPA)
Trainer CertificationAdvanced Robotic Process Automation
Professional CertificationComprehensive expertise across multiple domains and technologies
Authored books and contributed chapters to prestigious publications
Authors: Vanmathi C., Mangayarkarasi R.
Year: 2024 | ISBN: 9788119671229
BookAuthors: Mangayarkarasi R., Vanmathi C., Rachit Jain, Priyansh Agarwal
Year: 2022 | ISBN: 9781003038450
BookAuthors: C. Vanmathi, M. Priya
Publisher: Sams Publications | Year: 2009
Authors: M. Priya, C. Vanmathi
Publisher: Charulatha Publications | Year: 2009
Authors: C. Vanmathi, M. Priya
Publisher: Sams Publications | Year: 2010
Authors: C. Vanmathi, E. Arulmozhi
Publisher: Lakshmi Publications | Year: 2010
Authors: C. Vanmathi, M. Priya
Publisher: Sams Publications | Year: 2011
Book: The Metaverse for the Healthcare Industry
Year: 2024 | ISBNs: 9783031600739, 9783031600722
Book ChapterBook: Multidisciplinary Applications of Deep Learning-Based Artificial Emotional Intelligence
Year: 2022 | ISBNs: 9781668456750, 9781668456736
Book ChapterBook: Deep Learning Research Applications for Natural Language Processing
Year: 2022 | ISBNs: 9781668460030, 9781668460016
Book ChapterBook: Integrating Deep Learning Algorithms to Overcome Challenges in Big Data Analytics
Year: 2022 | ISBN: 9781003038450
Book ChapterBook: Lecture Notes in Networks and Systems
Year: 2021
Book Chapter21+ years of teaching experience across various academic positions
Vellore Institute of Technology (VIT)
Vellore Institute of Technology (VIT)
Vellore Institute of Technology (VIT)
Vellore Institute of Technology (VIT)
Vellore Institute of Technology (VIT)
Prior Faculty Roles
Sharing knowledge and expertise through invited talks, workshops, and expert sessions
Workshop on "AI Models for Crop Health Monitoring using Computer Vision and Predictive Analytics for Yield Estimation"
JNTU Kakinada | 23–24 Oct 2025
Expert Talk
VIT Chennai Campus | 06 Oct 2025
Expert Session
IIT Roorkee | 16–17 Dec 2024
IEEE ICICICT 2022
Vimal Jyothi Engineering College, Kannur | 11–12 Jul 2022
Expert Talk
SRM Valliammai Engineering College | 20 Oct 2020
Expert Talk
SRM Valliammai Engineering College | 10 Dec 2020
Expert Talk
Auxilium College | 07 Aug 2019
Expert Talk
Sri Balaji Chokkalingam Engineering College | 01 Mar 2019
Active participation in professional organizations and academic societies
Computer Society of India
Life MemberResearch & Development
Life MemberScientific Research
Life MemberBuilding global academic connections through research collaboration, conference presentations, and MoU facilitation
Vellore, Tamil Nadu, India
Home Institution
Urbana-Champaign, Illinois, USA
Research Collaboration
West Lafayette, Indiana, USA
Research Collaboration
Pittsburgh, Pennsylvania, USA
Research Collaboration
Kuala Lumpur, Malaysia
Research Collaboration
Thailand
Research Collaboration
Joint research projects and publications
International conferences and symposiums
Memorandum of Understanding agreements
Interested in collaboration or have questions about my research?
SCORE, Silver Jubilee Tower, VIT Campus
Vellore, Tamil Nadu 632014