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Kaustuv Manna is an experimental condensed matter physicist at IIT Delhi working on chiral topological semimetals, magnetic Weyl materials, and kagome quantum magnets. His research connects single-crystal growth and structural characterization with magnetic, electrical, and thermal transport measurements to investigate how crystal symmetry, composition, and magnetic order shape electronic states and the physical properties of matter.

His published contributions include the realization and investigation of crystal platforms for helicoid surface states, spin-split Fermi arcs, maximal Chern numbers, and magnetic Weyl fermion lines. He has produced the high-purity single crystals of chiral crystals like: PtGa, PdGa, RhSi, and CoSi that led to the experimental discovery of multifold fermions and helicoid Fermi arcs (Chiral Topology) published in Nature and Science. He holds unique, globally exclusive expertise in synthesizing highly complex substituted systems such as Rh(1-x)Ni(x)Si etc., where "Quantized Photocurrents" are observed for the first time. Besides, he made a leading contribution to the discovery of Quantum-Magnet using Co2MnGa single crystal. The work is published in Science and Nature.

At IIT Delhi, his group studies quantum magnets through crystal growth, magnetic measurements, magnetotransport and collaborations in diffraction and electronic-structure theory.