Broad area of research: Interplanetary
Dust Science, Surface Charging & Dust Levitation (Dusty Plasma), Planetary Lightning
Science, In-Situ Exploration/Remote Sensing, Wireless Communication.
Current emphasis: (i) IDP/Micrometeorite at Planetary Objects like Venus, Mars, Earth, Moon; (ii) Lunar Dusty Plasma; (iii) Martian Dust Devils; (iv) Lightning on Venus and Mars.
We do: (i) Modelling and Data Analysis; (ii) Instrumentation; (iii) Simulation of Physical System
Research Highlights: (i) Lunar Escape Process is established. Moon loses water ice at a rate of ~6.27 kg/year. (ii) A power law is suggested for IDP flux at Earth. (iii) N-body integration shows ~264 MY for an IDP to reach Mars from Asteroid belt. (iv) Model for observable Martian SR is derived, which depends on shape of dust devil. (v) Collisional charging is dominating for Lightning on Venus. (vi) VEX observed Venusian lightning source below the ionosphere.
Broad area of research: Astrochemistry and Astrobiology.
Current emphasis: Study formation of pre-biotic and complex organic molecules in the astrophysical environment such as star-forming regions, comets, exoplanets using numerical simulations and laboratory experiments
Research Highlights: (i) How is the atmosphere of interstellar Comet 2I/Borisov different from solar system comets (ii) Effect of metallicity on the formation of complex organic molecules (iii) Importance of CO diffusion on the formation of molecules on the surface of interstellar dust grains
Broad area of research: Interdisciplinary plasma physics – basic and applied.
Covers Dusty (complex) plasmas, Planetary & Space
plasmas, Laser-plasma (& matter) interaction.
Current emphasis: Plasma environment & physical processes around (i) Airless bodies like Moon & other natural/ artificial satellites, (ii) Planets, like Mars, Venus & Mercury.
Aspiration: Refine the understanding of plasma environment, its electrodynamical behaviour and consequences over planetary objects, and look into their practical implications to the planetary exploration.
We do: Conceptual design of the physical system, Theoretical/ Analytical modelling and numerical simulations.
Research Highlights: (i) How dust particles lift from the lunar surface at first place. (ii) Electrostatic equilibrium of charged dust (i.e., dust levitation) over Moon might not exist. (iii) Efficient charge dissipation via surface micro/ nano fabrication. (iv) Dust acoustic structures could be a plausible mechanism of dust/ plasma transport on Moon. (v) Fine particles create stable electrostatic environment in dark regions over Moon.
Broad area of research: Planetary Heatflow and Surface Science Studies,
Laboratory Experiments and Instrumentation for Planetary Exploration
Current emphasis: Planetary Heat Flow Studies through experiments and numerical modelling, Lunar Water-ice prospecting through in-situ experiments, Instrumentation and Science of ChaSTE Payload onboard Chandrayaan-3, Development of instruments for in-situ investigations of surface and atmospheres of Moon, Mars and other planetary bodies
Aspiration: Multi-disciplinary research combining experimental studies, numerical simulations, lab instrumentation and payload development to investigate surface properties of planetary bodies and understand the dynamics and processes therein.
We do: Simulation of Planetary Environments, Laboratory studies on planetary analogue samples, Instrument/Payload development for current and future missions, Numerical Simulations.
Research Highlights: (i) A facility for simulating the Moon in the laboratory (ii) A comprehensive lunar thermophysical model for the first time (iii) ChaSTE Payload for Chandrayaan-2/Chandrayaan-3 (iv) Modelling of lunar surface processes and implications on future lunar landings and ISRU activities
Broad area of research: Surface and subsurface studies of Mars
Current emphasis: Study the surface & subsurface of lava covered Tharsis region to decipher the past geological activities
We do: Martian subsurface radar analysis through simulation, modelling, and numerical analysis
Research Highlights: (i) Multilayer subsurface reflection in an unnamed crater near Mangala Fossa on Mars and confirmation of upper layer is a sedimentary deposit (ii) Discovery of subsurface ice in Tanaica Montes region, Mars
Broad area of research: Study, modelling and simulation of interplanetary
dust particles (IDPs) in solar system and its
ablation in planetary
atmosphere. Development of dust detector, a space
payload to study IDPs.
Current emphasis: Characterisation of dust detector, modelling dynamics of dust particles in space and use of nanosecond pulse laser to simulate dust particle impact.
Aspiration: To better understand the dynamics, distribution and effect of IDPs in solar system. Study of IDPs using dust detector instrument.
We do: numerical simulations of IDP under different conditions and instrument characterisation.
Research Highlights: (i) Lunar regolith and water ice escape due to micrometeorite bombardment (ii) IDP Detection in Earth Environment: Prediction of Plasma Capture Efficiency and Detector Response to High Energy Particles (iii) Meteorite Ablation in Planetary Atmosphere
Modeling of Earth and Planetary Atmospheres
Complex (dusty) Plasma Physics
Planetary Remote Sensing
Physics and Chemistry of the Solar System
Numerical and Statistical Methods