Work Experience:

• [Dec 1, 2022 – Till date]  Assistant Professor (AGP- 8000 / Academic Level-12) in the Department of Computer Science and Engineering, Birla Institute of Technology, Mesra, Ranchi, Off-Campus Patna, Bihar, India.
• [Nov 1, 2011 – Nov 30, 2022]  Assistant Professor (AGP-7000 / Academic Level-11) in the Department of Computer Science and Engineering, Birla Institute of Technology, Mesra, Ranchi, Off-Campus Patna, Bihar, India.
• [Nov 1, 2006 – Oct 31, 2011] Assistant Professor(AGP:-6000 / Academic Level-10) in the Department of Computer Science and Engineering, Birla Institute of Technology, Mesra, Ranchi, Off-Campus Allahabad, UP, India.
• [July 1, 2004 – Oct 31, 2006] Associate Lecturer in the Department of Computer Science and Engineering, Birla Institute of Technology, Mesra, Ranchi, Off-Campus Allahabad, UP, India.

Academic / Administrative Responsibilities:

• Member, Academic Monitoring Committee (ACM), BIT Mesra, Off-Campus Patna (From February 2, 2026 to Till date)
• Member & Departmental NAAC/NBA Coordinator, BIT Mesra, Off-Campus Patna ( From December 11, 2025 to Till Date)
• MOOC Coordinator, Department of CSE, BIT Mesra, Off-Campus Patna (From SP-2025 to Till Date)
• Coordinator, Universal Human Value Cell (UHV Cell), BIT Mesra, Off-Campus Patna (From July 25, 2025 to Till Date)
• PhD Coordinator (CSE department), BIT Mesra, Off Campus Patna ( From July 2020 to Till Date)

     Past Responsibilities:

• Hostel Warden, BIT Mesra, Off-Campus Patna (From April 9, 2021 to  December 9, 2024)  (Duration: 3 years & 8 months)
• Faculty Advisor in Training and Placement, BIT Mesra, Off Campus Patna ( From 2017 to 2022)
• Member Admission Committee, BIT Mesra, Off Campus Patna (From May 2021 to April 2022)
• Chairman, M. Tech. (CS) Thesis Evaluation, BIT Mesra, Off Campus Patna (MO-2019)
• Prof. In charge Training and Placement,  BIT Off Campus Allahabad, UP, India
• Prof. In charge Games and Sports, BIT Off Campus Allahabad, UP, India
• Prof. In charge Semester Office, BIT Off Campus Allahabad, UP, India
• Hostel Superintendent, BIT Off Campus Allahabad, UP, India

Educational Qualification:

• Ph.D. in Engineering from Department of Computer Science and Engineering, Birla Institute of Technology, Mesra, Ranchi.

                     [Topic: Defending Against Malicious Objects in Wireless Network]

• M. Tech. in Computer Science from Department of Computer Science and Engineering, Birla Institute of Technology, Mesra, Ranchi.  
• B. E. from M. S. Ramaiah Institute of Technology, Bangalore University, Balgalore.

2026

[1]  Kumar Sachin Yadav and Ajit Kumar Keshri, Online social network - mediated rumor propagation among cyber consumers and its consequences on e-commerce: a mathematical model, Concurrency and Computation: Practice and Experience(Wiley),Vol 38, Issue 1, Jan 2026, Impact Factor 1.5 https://doi.org/10.1002/cpe.70451 ,

[2] B. K. Mishra, A. Pandey, and Ajit Kumar Keshri, Transmission dynamics of Mucormycosis and its link to COVID-19 pandemic, Proc. Natl. Acad. Sci., India, Sect. A Phys. Sci.,  May 2026, Impact Factor 1.5

2025

[1] Yadav, Pooja, and Ajit Kumar Keshri. "Enhancing The Security Of E-Commerce Systems Against Various Types Of Attacks Using Deep Learning Model." International Journal of Information Technology & Decision Making (World Scientific), (2025). (Impact Factor: 2.5)  https://doi.org/10.1142/S0219622025500233

[2]Kalam, Sidra, and *Ajit Kumar Keshri. "Advancing IoMT security: A two-factor authentication model employing PUF and Fuzzy logic techniques." Computers & Security (Elsevier), (2025): 104138.    (Impact Factor: 4.8)  https:// doi.org /10.1016/j.cose.2024.104138

2024

[1] Kumar, Saurav, and Ajit Kumar Keshri. "An effective DDoS attack mitigation strategy for IoT using an optimization-based adaptive security model." Knowledge-Based Systems (Elsevier), (2024): 299, 112052.  (Impact Factor: 7.2)  https://doi.org/10.1016/j.knosys.2024.112052                                             

[2]Yadav, Kumar Sachin, and Ajit Kumar Keshri. "To secure an e?commerce system using epidemic mathematical modeling with neural network." Concurrency and Computation: Practice and Experience (Wiley), (2024): 36.26, e8270. (Impact Factor: 1.5)   https://doi.org/10.1002/cpe.8270

2021

[1]Mishra, Bimal Kumar, Ajit Kumar Keshri, Dinesh Kumar Saini, Syeda Ayesha, Binay Kumar Mishra, and Yerra Shankar Rao. "Mathematical model, forecast and analysis on the spread of COVID-19." Chaos, Solitons & Fractals (2021): 110995. (Impact Factor: 3.764)  https://doi.org/10.1016/j.chaos.2021.110995   

2020

[1] Mishra, Bimal Kumar, Ajit Kumar Keshri, Yerra Shankar Rao, Binay Kumar Mishra, Buddhadeo Mahato, Syeda Ayesha, Bansidhar Prasad Rukhaiyyar, Dinesh Kumar Saini, and Aditya Kumar Singh. "COVID-19 created chaos across the globe: Three novel quarantine epidemic models." Chaos, Solitons & Fractals (2020): 109928, Elsevier. (Impact Factor:  3.764)

[2] Keshri, Ajit Kumar, Bimal Kumar Mishra, and Bansidhar Prasad Rukhaiyar. "When rumors create chaos in e-commerce." Chaos, Solitons & Fractals (2020): 109497, Elsevier. (Impact Factor: 3.764)

[3] Rao, Yerra Shankar, Ajit Kumar Keshri, Bimal Kumar Mishra, and Tarini Charana Panda. "Distributed denial of service attack on targeted resources in a computer network for critical infrastructure: A differential e-epidemic model." Physica A: Statistical Mechanics and its Applications (2020): 123240, Elsevier. (Impact Factor: 2.924)

2018

[1] Keshri, Ajit Kumar, Bimal Kumar Mishra, and Dheeresh K. Mallick. "A predator–prey model on the attacking behavior of malicious objects in wireless nanosensor networks." Nano communication networks 15 (2018): 1-16,  Elsevier. (Impact Factor:  2.621)

List of Journal Publication (Non paid SCOPUS) (Total:03)

[1] Mishra, Archana, Bimal Kumar Mishra, and Ajit Kumar Keshri. "Quarantine model on the transmission of Ebola virus disease in the human population with infectious dead class." International Journal of Applied and Computational Mathematics 9.6 (2023): 133.

[2] Mishra, Bimal Kumar, Ajit Kumar Keshri, Dheeresh Kumar Mallick, and Binay Kumar Mishra. "Mathematical model on distributed denial of service attack through Internet of things in a network." Nonlinear Engineering 8, no. 1 (2019): 486-495.

[3] Keshri, Ajit Kumar, Bimal Kumar Mishra, and Dheeresh K. Mallick. "Library formation of known malicious attacks and their future variants." International Journal of Advanced Science and Technology 94 (2016): 1-12.

List of Conference Papers/Presentations:

Book Chapter:

Ajit Kumar Keshri, “Chapter 4: A Twofold Mathematical Model to Study the Malware Attack of Compromised IoT Botnet on Targeted Networks”, Understanding Cyber Threats and Attacks, Bimal Kumar Mishra and Jose R.C Piqueira (Editor), Nova Science, September 2020, pages 225, ISBN: 978-1-53618-336-8.

Invited Talk

• Ajit Kumar Keshri, Delivered lecture on ”Network Security and Internet of Things” in the DST sponsored short term training programme on “Internet of Things”, held during May 8 – 18, 2019 at Birla Institute of Technology, Mesra, Off Campus Patna

Reviewer

• Second International Conference on Advances in Computing, Control and Communication Technology (IAC3T), Sept. 21 – Sept. 23, 2018, organised by J.K. Institute of Applied Physics and Technology, Allahabad, Uttar Pradesh 

Technical Advisor  

• Member of technical advisory committee, 4th International Conference on Computing Sciences (ICCS), Aug. 30 – Aug. 31, 2018, Organised by Lovely Professional University, Punjab, India.
•  Member of technical advisory committee, IEEE Sponsored 2nd International Conference on Control Computing Communication and Materials (ICCCCM-2016), Oct. 21– Oct. 22, 2016, Organised by United College of Engineering & Research, Allahabad In Collaboration with Asian Institute of Technology, Bangkok, Department of Electrical Engineering.

Conference Organizer

• Worked as an organizing member at the National Conference on “Advance Computing”, held at BIT, Ranchi, Off Campus Allahabad on Aug 20, 2010.

M. Tech. (CS) Thesis Superviser

• Supervised five M. Tech. Thesis (Completed).
• Supervising one M. Tech. Thesis (Running).

Participated in Short Term Course/ Refresher Course/ Workshop

• Participated in the UGC-Sponsored Inter/ Multi-disciplinary Refresher Course in Information Technology organized by the UGC-Human Resource Development Centre, Ranchi University, Ranchi from Jan. 07 – Jan. 20, 2021.
• Participated in the short term course cum International Workshop on “Cyber Physical Systems” held at Indian Institute of Technology, Kanpur, India during March 20 – March 26, 2017.
• Participated in the UGC sponsored short term course on “7 Days Professional Development Programme for Senior Faculty” from Feb. 11 – Feb. 17, 2017 at UGC-Human Resource Development Centre, University of Allahabad.
• Participated in the “Summer Faculty Research Fellow Programme-2011” under the Mentorship of Prof. S. R. Sarangi, Department of Computer Science & Engineering, IIT Delhi for a period of Eight Weeks starting from May 13 – July 07, 2011 at Indian Institute of Technology, Delhi.
• Participated in the two-day National Workshop on the “Use & Deployment of WEB & Video Courses” held on July 6 – July 7, 2011 at Indian Institute of Technology, Delhi.
• Participated in the QIP short term course sponsored by AICTE on “Image & Video Proessing” during Nov 23 – Dec 06, 2009 at Indian Institute of Technology, Kharagpur.
•  Participated in the Faculty Updation Training on “Network Programming and Security” organized by C-DAC, Hyderabad in collaboration with  JNTU, Hyderabad as a part of PREPARE FUTURE project, HRD Division, Department of IT, Government of India for a period of Two Weeks starting from June 08 –June 19, 2009 at C-DAC, Hyderabad.
• Participated in the AICTE Sponsored One Week FDP  on “Advances in Information Systems Research & Education” during April 27–May 02, 2009 at Indian Institute of Management, Kozhikode.
• Participated in the MHRD-AICTE Staff Development Programme on “Computer Architecture and Design” during Oct 29 –Nov 11, 2008 at National Institute of Technology, Rourkela.