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• QCD phase diagram: Direct comparison of fluctuation observables with QCD calculations to determine the quark-hadron transition temperature and search for the critical point.
• Quark-gluon plasma: Experimental studies of collectivity, viscosity, jet quenching, conductivity, diffusion, opacity, and strangeness enhancement in deconfined matter. Using vector mesons to establish re-scattering and regeneration effects and probe the lifetime of the hadronic phase. Spin alignment of vector mesons as evidence for spin-orbital angular momentum interactions and the largest known vorticity in QCD matter.
• Antimatter nuclei: Observation of anti-alpha and anti-hypertriton and their implications for nuclear physics, cosmology, astrophysics, and space-based antimatter searches.
• Rare events and detectors: Lightly ionizing particles, search for weakly interacting massive particles / Dark matter candidates, Disoriented Chiral Condensates-related studies, cryogenic detectors, and silicon detector development for the ALICE Forward Calorimeter.

Close to three decades of experience in research, teaching, mentoring and scientific leadership in experimental high-energy and nuclear physics. He has held research and academic positions at VECC Kolkata, Lawrence Berkeley National Laboratory, NISER Bhubaneswar and Homi Bhabha National Institute, and has held major scientific leadership responsibilities in the STAR experiment at RHIC and the ALICE experiment at CERN. Teaching experience spans undergraduate, graduate and pre-doctoral courses in quantum mechanics, special relativity, thermodynamics, nuclear and particle physics, experimental high-energy physics, and modern physics and electronics laboratories. Has supervised and mentored PhD students, Master’s students and postdoctoral researchers, and has taught at several national and international schools in high-energy and nuclear physics. He has also led initiatives translating nuclear and radiation physics to healthcare, including the development of a Master’s programme in Medical and Radiological Physics and working towards the establishment of advanced medical cyclotron, nuclear medicine and radiation-calibration facilities.