| Serial Number | Title of The Seminar | Speaker | Affiliation | Date (DD/MM/YYYY) | Time (HH:MM) | Venue | 
| 65 | Observational Constraints on the Solar Dynamo Mechanism | Sushant S. Mahajan | Georgia State University | 18/09/2019 | 11:00 AM | CESSI Lab, Room N108 | 
| 64 | Can we see a singularity, the most extreme object in the universe? | Chandrachur Chakraborty | KAVLI INSTITUTE | 06/08/2019 | 03:00 PM | G02 , APC Ray | 
| 63 | Gravitational Waves: From Discovery to Astronomy | Sanjeev Dhurandhar | IUCAA | 06/06/2019 | 03:00 PM | APC Ray-G08 | 
| 62 | Future Space Science Missions of India | P. Sreekumar | Director, ISRO | 17/05/2019 | 2:30 PM | Asima Chatterjee Lecture Theatre | 
| 61 | The Dual Foliation Approach & the Weak Null Condition for Free Evolution in Numerical Relativity | Dr David Hilditch | CENTRA, Lisbon, Portugal | 01/05/2019 | 2:00 PM | LHC- G08 | 
| 60 | The Scope of Artificial Intelligence | Saikat Chatterjee | KTH-Royal Institute, Sweden | 24/04/2019 | 12:00 PM | Asima Chatterjee Lecture Theatre | 
| 59 | Impact of relativistic jets on galaxies and their environments | Dr. Dipanjan Mukherjee | University of Torino, Italy | 18/03/2019 | 03:00 PM | G08, A P C Ray | 
| 58 | The Weak Null Condition in Free-evolution Schemes for Numerical Relativity | David Hilditch | University of Lisbon | 01/11/2018 | 3:00 PM | RC, CESSI Lab Room-124 | 
| 57 | Low Latitude Electrodynamics: Some New Understandings | Debrup Hui | IIG, Navi Mumbai, India | 12/09/2018 | 12:45 PM | CESSI Lab | 
| 56 | Hyperbolicity of Relativistic Fluids | David Hilditch | University of Lisbon | 06/06/2018 | 03:00 PM | CESSI Lab | 
| 55 | Investigating Non-neutral Plasmas with Particle-in-Cell Simulation | Meghraj Sengupta | Institute for Plasma Research | 18/10/2017 | 11:30 | CESSI Lab | 
| 54 | Science with AstroSat | Dipankar Bhattacharya | IUCAA Pune | 07/03/2018 | 4:15 | LHC, G-06 | 
| 53 | Design and development of a satellite-based gamma-ray burst polarimeter called SPHiNX | Nirmal Kumar Iyer | KTH Royal | 16/01/2018 | 12:00 pm | CESSI Lab | 
| 52 | LIGO's second observing run & the dawn of multi-messenger astronomy | Deep Chatterjee | University of Wisconsin | 12/01/2018 | 12:00 | CESSI Lab | 
| 51 | An Application of Data-Assimilation to Solar Physics | Dr. Dhrubaditya Mitra | NORDITA, Stockholm | 3/1/2018 | 12:00 pm | CESSI lab | 
| 50 | The Effect of Magnetic Fields on the Column Density Probability Distribution Function in Star Forming Molecular Clouds | Sayantan Auddy | Univ. of Western Ontario | 05.01.2018 | 11:00 AM | CESSI Lab | 
| 49 | What do Numerical Simulations tell us about Solar-Stellar Magnetic Fields? | Laurène Jouve | IRAP, University of Toulouse | 8/11/2017 | 12:00 pm | CESSI Lab | 
| 48 | Turbulence and Magnetic Fields in Galaxies | Anvar Shukurov | Newcastle University, UK | 02/11/2017 | 03:00 PM | CESSI Lab | 
| 47 | Extreme spacetimes with numerical relativity | David Hilditch | University of Jena | 24/10/2017 | 4:15 PM | CESSI Lab | 
| 46 | Effect of Relativistic Jet Feedback from Massive Black Hole Gas on Host Galaxies | Dipanjan Mukherjee | Australian National University | 11.10.2017 | 12:00 pm | CESSI Lab | 
| 45 | The Beginning of Gravitational Wave Astronomy | Sanjit Mitra | IUCAA, Pune | 03.10.2017 | 15:00 | CESSI Lab | 
| 44 | Effect of Active Region Dynamics on Solar Flare Trigger | Dr. Sreejith Padinhatteeri | Manipal University | 19/04/2017 | 12:00 PM | CESSI LAB | 
| 43 | The Science of Space Weather | Judith T. Karpen | NASA Space Weather Lab | 06/03/2017 | 12.00 pm | G05,LHC | 
| 42 | Basics of Optical Astronomy | Prof. A.N. Ramaprakash | IUCAA, Pune | 30/1/2017 | 05:00 PM | CESSI LAB | 
| 41 | Kodaikanal Digitised data archive and long term study of the sun | Dipankar Banerjee | IIA, Bangalore | 01/12/2016 | 4:30 PM | Cessi Lab (Rc, 124) | 
| 40 | Dynamical imprint of Dark Matter & Interstellar gas on the spiral structure in disk galaxies | Soumavo Ghosh | IISc, Bangalore | 23/11/2016 | 2:30 PM | Cessi Lab (Rc, 124) | 
| 39 | Machine Learning of Syntax in the un-deciphered Indus Script | Dr. Ronojoy Adhikari | IMS, Chennai | 23/06/2016 | 12.00 Noon | Room 102, Lecture Hall Complex | 
| 38 | Extreme Ultraviolet Spectroscopy of the Solar Corona and its Energetic Events | Abhishek Srivastava | IIT-BHU | 20/04/2016 | 11.00 AM | CESSI Lab | 
| 37 | The Quiet Thunder of Gravity in the Cosmos | Rana Adhikari | Caltech | 19/04/2016 | 4.00 PM | LHC Room 107 | 
| 36 | Energy transfers in dynamos with small and large magnetic Prandtl numbers | Rohit Kumar | IIT Kanpur | 19/01/2016 | 15:10 | CESSI Lab (LEL Building) | 
| 35 | Helioseismic Inversion | Prof. H.M. Antia | TIFR, Mumbai | 09/01/2016 | 10:00 | CESSI Lab (LEL Building) | 
| 34 | Multi-wavelngth observations of Sunspot and coronal seismolog | Dipankar Banerjee | IIA, B'lore | 15/10/2015 | 15:00 | CESSI Lab/ LEL building | 
| 33 | Study of black holes and neutron stars in the ASTROSAT era | Dr Sudip Bhattacharyya | TIFR, Mumbai | 15/05/2015 | 12:00 | CESSI Lab (LEL building) | 
| 32 | Helioseismology of Large Scale Flows | Dr S P Rajaguru | IIA, B'lore | 22/04/2015 | 12:00 | CESSI Lab (LEL building) | 
| 31 | Solar Coronal Studies with Aditya Mission | Dr. K. Sankarasubramanian | ISAC, B'lore | 18/03/2015 | 12:00 | CESSI Lab (LEL building) | 
| 30 | Estimating Magnetic field strength from Polarimetry | Dr. K. Sankarasubramanian | ISAC, B'lore | 18/03/2015 | 10:00 | CESSI Lab (LEL building) | 
| 29 | Living with a Star, the Sun | Robertus von Fay-Siebenburgen | University of Sheffield | 17-03-2015 | 17:00 | CESSI Lab (LEL building) | 
| 28 | General brief introduction about Astronomical magnetic field | Dr. K. Sankarasubramanian | ISAC, B'lore | 17-03-2015 | 14:00 | CESSI Lab (LEL building) | 
| 27 | India's participation in the Thirty Metre Telescope project | Prof. A. N. Ramprakash | IUCAA, Pune | 12/03/2015 | 12:15 | CESSI Lab (LEL building) | 
| 26 | Fundamental of Solar Radiation (basics of radiative transfer) | Dr. Durgesh Tripathi | IUCAA, Pune | 11/03/2015 | 11:00 | CESSI Lab | 
| 25 | Fundamental of Solar Radiation (basics of radiative transfer) | Dr. Durgesh Tripathi | IUCAA, Pune | 10/03/2015 | 14:00 | CESSI Lab | 
| 24 | The future of learning | Prof Sugata Mitra | Newcastle University, UK | 11/02/2015 | 16:00 | LH4 | 
| 23 | Anomalies in CMB | Suvodip Mukherjee | IUCAA, Pune | 09/02/2015 | 15:30 | CESSI Lab (LEL building) | 
| 22 | Observational techniques in Solar Radio Astronomy | Nimisha G Kantharia | NCRA-TIFR | 13/01/2015 | 14:00 | CESSI LAB (LEL Building) | 
| 21 | From Dynamos to Sunspots: New results | Dr. Dhrubaditya Mitra | NITP, Stockholm University | 07/01/2015 | 12:00 | CESSI, LEL Building 1st Floor | 
| 20 | Blood, Sweat and Tears: Simulations of Biological Flows | Dr. Dhrubaditya Mitra | NITP, Stockholm University | 06/01/2015 | 12:00 | CESSI, LEL Building 1st Floor | 
| 19 | Highlights from IceCube Neutrino Observatory | Dr Debanjan Bose | SungKyunKwan University | 17/12/2014 | 12:00 | CESSI Lab (LEL building) | 
| 18 | Up coming very large telescopes | Prof Ranjan Gupta | IUCAA | 26/09/2014 | 12:00 | CESSI Lab-LEL building | 
| 17 | The role of different interaction potentials on dust crystal formation | Dr Swati Baruah | Insitute of Plasma Physics | 03/09/2014 | 16:00 | CESSI Lab-LEL building | 
| 16 | Gravitational Wave Astronomy: A 21st Century Astronomy | Sanjeev Dhurandhar | IUCAA, Pune | 06/08/2014 | 16:00 | G01, Lecture Hall Complex | 
| 15 | Data Analysis 2 | Sanjeev Dhurandhar | IUCAA, Pune | 08/08/2014 | 11:00 | CESSI Lab/ LEL, 1st floor | 
| 14 | Data Analysis | Sanjeev Dhurandhar | IUCAA, Pune | 04/08/2014 | 11:00 | CESSI Lab/ LEL Building | 
| 13 | Magnetically confined accretion mounds on Neutron stars | Dipanjan Mukherjee | IUCAA, Pune | 30/07/2014 | 12:00 | CESSI Lab/ LEL, 1st floor | 
| 12 | Imaging the 3-D Interior of the Sun | Shravan Hanasoge | TIFR, Mumbai | 08/05/2014 | 11:00 | CESSI-Lab | 
| 11 | Evolution, Interaction and Impact of coronal mass ejections | Dr. Nandita Srivastava | CESSI colloquium series | 10/04/2014 |  | CESSI Lab-LEL, 1st Floor | 
| 10 | Turbulent mixing in magnetized media | Dr. Sharanya Sur | CESSI Colloquium | 18/02/2014 |  | CESSI Lab-LEL, 1st Floor | 
| 9 | India's first solar observatory in space: Aditya | Dr Dipankar Banerjee | class lecture- Space Astronomy | 12/02/2014 |  | CESSI Lab-LEL, 1st Floor | 
| 8 | India's first solar observatory in space: Aditya | Dr Dipankar Banerjee | class lecture | 11/02/2014 |  | CESSI Lab-LEL, 1st Floor | 
| 7 | Origins of Space Weather and Climate: The Solar Dynamo | Dr. Mausumi Dikpati | CESSI Colloquium | 09/12/2013 |  | CESSI Lab-LEL, 1st Floor | 
| 6 | Growth of grains in astronomical situations and their light scattering properties | Prof. Sabyasachi Chatterjee | seminar | 28/11/2013 |  | CESSI Lab-LEL, 1st Floor | 
| 5 | The dynamical behavior of a jet in an on-disk coronal hole observed with AIA/SDO | Dr. K Chandrashekhar | seminar | 31/10/2013 |  | J C Bose Meeting Room | 
| 4 | Gravitational Wave Astronomy | Dr. Sanjit Mitra | CESSI Colloquium | 07/10/2013 |  | Classroom LH2,J C Bose Building | 
| 3 | Development of a novel hard X-ray imaging | Dr.Sourav Palit | seminar | 03/10/2013 |  | Classroom LH1, J C Bose Building | 
| 2 | India's first solar observatory in space: Aditya | Dr Dipankar Banerjee | CESSI Colloquium | 23/09/2013 |  | Classroom LH2, J C Bose Building | 
| 1 | Public Lecture | Dr. Anita Sengupta | Public Lecture | 16/08/2013 |  | Science City Auditorium, Kolkata |