Secured 1st rank in M.Sc. Mathematics at Guru Jambheshwar University of Science & Technology, Hisar, 2015,

Awarded Innovation in Science Pursuit for Inspired Research (INSPIRE) Fellowship, DST, New Delhi, Government of India, 2017,

Received best paper award from department of mathematics, National Institute of Technology (NIT), Raipur, 2020,

P. Kumari, D. Kumar, H. Ramos. Parameter independent scheme for singularly perturbed problems including a boundary turning point of multiplicity ≥ 1, J. App. Anal. Comp., 2023, 13(3): 1304-1320. doi: 10.11948/20220123

D. Kumar, P. Kumari, A parameter-uniform scheme for singularly perturbed partial differential equations with a time lag, Numer. Methods Partial Differential Equations, 2020, 36(4),: 868-886. doi: https://doi.org/10.1002/num.22455

D. Kumar, P. Kumari, Parameter-uniform numerical treatment of singularly perturbed initial-boundary value problems with large delay, Appl. Numer. Math., 2020, 153, 412-429. doi: https://doi.org/10.1016/j.apnum.2020.02.021

D. Kumar, P. Kumari, Uniformly convergent scheme for two-parameter singularly perturbed problems with non-smooth data, Numer. Methods Partial Differential Equations, 2021, 37(1),796-817. doi: https://doi.org/10.1002/num.22553

D. Kumar, P. Kumari, A parameter-uniform numerical scheme for the parabolic singularly perturbed initial boundary value problems with large time delay, J. Appl. Math. Comp.,2019, 59, 179-206. doi: https://doi.org/10.1007/s12190-018-1174-z