People

Group Members

We are looking for passionate new PhD students, Postdocs, and Master students to join the team. See openings →

Principal Investigator

Lab Head

Dr. Bharat Kumar
Principal Investigator

Bharat Kumar

Assistant Professor · Department of Physics & Astronomy, NIT Rourkela · since June 2020

Research interests: neutron star equation of state, oscillation modes, dark matter in compact stars, multi-messenger astrophysics, gravitational waves, and nuclear structure.

CV (PDF) Google Scholar (live citations) ↗ ORCID ↗ arXiv ↗ Faculty Page ↗ Email

Doctoral Researchers

PhD Students

Sayantan Ghosh

Sayantan Ghosh

Ph.D. Student
Joined July 2022
M.Sc., Banaras Hindu University
Quasinormal Modes
Recent papers:
Phys. Rev. D 113, 024070 (2026)
JCAP 09, 025 (2025)
Probit J. Kalita

Probit J. Kalita

Ph.D. Student
Joined July 2022
M.Sc., Tezpur University
NS Composition
Recent papers:
arXiv:2510.23405 (2025)
JCAP 04, 065 (2024)

Former Members

Alumni — Where are they now?

Pinku Routaray

Pinku Routaray

Ph.D. · 2021–2026 (defended 2026)
Dark Matter in NSs
→ PhD completed; seeking postdoc positions
Kanika Karan

Kanika Karan

MSc Thesis · 2025–2026 (completed)
Quasinormal Modes in NSs
Shubhajit Saha

Shubhajit Saha

MSc Thesis · 2025–2026
Quarkyonic Matter
→ PhD at NISER Bhubaneswar
Athul K P

Athul K P

MSc Thesis · 2021–2022
f- and p-mode Oscillations
→ PhD at Florida State University, USA (J. Piekarewicz group)
Sailesh Ranjan Mohanty

Sailesh Ranjan Mohanty

IMSc Thesis · 2022–2023
Anisotropy & Collapse
→ IIT-JEE Physics Faculty
Shahebaj Hasan Shaikh

Shahebaj Hasan Shaikh

MSc Thesis · 2022–2023
Finite Temperature EoS
→ PhD at IIT Kanpur
Khokan Singhao

Khokan Singhao

MSc Thesis · 2022–2023
Delta-Baryons in NSs
→ Senior Physics Faculty, PhysicsWallah
Mrityunjoy Singha

Mrityunjoy Singha

MSc Thesis · 2022–2023
Dark Compact Objects
→ PhD at S. N. Bose, Kolkata
Souhardya Sen

Souhardya Sen

MSc Thesis · 2021–2022
Radial Oscillations
→ PhD candidate in Astrophysics
Soumya Prakash Behera

Soumya Prakash Behera

IMSc Thesis · 2020–2021
GWs from Deformed Pulsars
→ PhD (Biophysics), Johns Hopkins Univ. (defended 2026)
Vikram Singh Khati

Vikram Singh Khati

MSc Thesis · 2020–2021
Dark Matter in NS Core
→ Senior Staff Engineer, Equinix Bangalore
Pritam Kumar Bishee

Pritam Kumar Bishee

IMSc Thesis · 2020–2021
Quark Matter in NS Core

Interested in joining the NAP Lab?

We welcome applications from motivated PhD, Postdoc, and MSc candidates with interest in nuclear physics, astrophysics, gravitational waves, or dark matter.
View open positions →