Dr. Rajanish Kumar Rai

Institute Web-page: https://www.nsut.ac.in/en/node/1496

Personal Email ID: rajanishrai94@gmail.com

Institute Email ID: rajanish.rai@nsut.ac.in

Assistant Professor (Level-10),

Department of Mathematics,

Netaji Subhas University of Technology,

Azad Hind Fauj Marg, Sector‑3,

Dwarka New Delhi – 110078

Delhi NCR, India.

Biography:

Dr. Rajanish Kumar Rai is working with Department of Mathematics, Netaji Subhas University of Technology, Dwarka New Delhi – 110078, India since June, 2025. He has completed his Ph.D. degree (2019) from the Department of Mathematics, Banaras Hindu University, Varanasi. His broad area of research includes Mathematical Modeling in Epidemiology, Public Health and Management, Mathematical modeling of COVID-19 and its behavioral Epidemiology, Applications of Ordinary and Delay Differential Equations, Bifurcation analysis and its chaotic dynamics.

Specialization:

Mathematical Modeling in Epidemiology and Eco-Epidemiology, Differential Equations, Nonlinear Dynamics & Chaos, Spatio-temporal Dynamics, Nonautonomous System of Differetial Equations and Delay Differential Equations.

Educational Qualifications:

Ph.D. from the Department of Mathematics, B.H.U. Varanasi in Dynamics of infectious diseases and its behavioral Epidemiology (2019).
M.Sc. (Mathematics) from the Department of Mathematics, B.H.U., Varanasi in (2014) (M.S.c with Distinction, Order of Merit Second).

Achievements, Awards and Recognitions:

Secured 5th rank in M.Sc. Mathematics Entrance Examination, Banaras Hindu University, Varanasi.
Secured 2nd rank in M.Sc. Mathematics at Department of Mathematics, Banaras Hindu University, Varanasi (2014).
Qualified CSIR-UGC NET Examination (June-2016) AIR-26.
Qualified GATE in Mathematics, Years (2015) & (2016).

Teaching Experience: Total Teaching Experience 5 years 10 months

Assistant Professor: Department of Mathematics, Netaji Subhas University of Technology, Dwarka New Delhi – 110078, India from June, 2025 to Present (Ongoing).
Assistant Professor: Department of Mathematics, Thapar Institute of Engineering and Technology (Deemed to be University), Patiala, India from July, 2022 to June 2025.
Assistant Professor: Department of Mathematics, Jaypee Institute of Information Technology (Deemed to be University), Noida, Uttar Pradesh, India from December, 2021 to July, 2022.
Assistant Professor (Ad-hoc): Department of Mathematics (School of Sciences), National Institute of Technology (NIT) Andhra Pradesh, Tadepalligudem, India from July 2021 to November 2021.
Assistant Professor: Department of Mathematics, Institute of Engineering and Rural Technology (IERT), Engineering Degree Division, Prayagraj, Uttar Pradesh, India from July 2019 to June 2021.
Tutor: Took tutorial classes of Calculus, Linear Algebra, Complex Analysis and Ordinary and Partial Differential Equations at Banaras Hindu University, Varanasi India during December 2014 to January 2019.

Teaching Interests:

Ordinary and Partial Differential Equations
Nonlinear Dynamics
Mathematical Biology
Advance Differential Equations
Engineering Mathematics
Probability, Statistics and Random Processes
Complex Analysis
Optimization Techniques
Research Methodology
MATLAB and R Programming
Linear Algebra
Integral Equations

Research Interests:

Mathematical Modeling in Epidemiology and Eco-epidemiology, Public Health and Management
Applications of Ordinary and Delay Differential Equations, Dynamical Systems in Biology
Qualitative theory of Differential Equations, Bifurcation analysis and its Chaotic dynamics
Stability theory and Optimal Control Theory in Epidemiology.
Spatio-temporal Dynamics, Nonautonomous System of Differetial Equations.

Ph.D. Thesis Guiding/Supervised:

Guiding one Ph.D. students as a co-supervisor at Department of Mathematics, Thapar Institute of Engineering and Technology, Patiala-147004, Punjab, India from January 2024 to present.
Guided two M.Sc. students for M.Sc. dissertations project Thapar Institute of Engineering and Technology, Patiala-147004, Punjab, India for Even-Sem 2024-25.
Guiding three M.Sc. students for M.Sc. minor/major projects at the Department of Mathematics, Netaji Subhas University of Technology, Dwarka New Delhi – 110078, India for Odd-Even Sem 2025-26.

Professional Websites:

Web of Science Researcher ID: https://www.webofscience.com/wos/author/record/AAQ-5169-2021
Vidwan ID: https://vidwan.inflibnet.ac.in/profile/483503
Scopus ID: https://www.scopus.com/authid/detail.uri?authorId=57200938338
ORCID: https://orcid.org/0000-0002-8815-7808
Google Scholar: https://scholar.google.com/citations?user=g6YsKjoAAAAJ&hl=en
Research Gate: https://www.researchgate.net/profile/Rajanish-Rai
MathSciNet: Rai, Rajanish Kumar - MathSciNet (ams.org)