- Exchangeable, stationary and entangled chains of Gaussian states. Presented at Meeting on Quantum Information Processing and Applications (QIPA – 2015), held during Dec 7 – 13, 2015; at Harish-Chandra Research Institute, Allahabad, India.
- From particle counting to tomography of Gaussian states and channels. Presented at Indian Statistical Institute, Delhi centre on April 15, 2015.
- Witnessing genuine multipartite entanglement with positive maps. Presented at Young Quantum 2015, held during Feb 24 – 26, 2015; at Harish-Chandra Research Institute, Allahabad, India.
- Detecting quantum entanglement by using positive but not completely positive maps. Presented at International Conference on Linear Algebra & its Applications (Conference in honour of 60th birth anniversary of Prof Ravindra B Bapat); held during Dec 18 – 20, 2014; Manipal University, Manipal, India.
- Detecting entanglement by positive maps; on 7th April, 2014, Center for Theoretical Physics of the Polish Academy of Sciences, Warsaw, Poland.
- Extremal extensions of positive maps and bound entangled quantum states; on 25th March 2014, Institute of Physics, Department of Mathematical Physics, Nicolaus Copernicus University, Toru ́n, Poland.
- Extremal quantum states; on 10th Oct, 2012, QCQI group @ IISER Mohali.
- Positive maps and possible development of Krein-Milman theory; on 9th April, 2012, QCQI group @ IISER Mohali.
- Towards a structure theorem of positive maps; on 2nd April, 2012, QCQI group @ IISER Mohali.
- Positive maps and all that; on 13th Sept, 2011; Φ@I, Physics Journal Club, IISER Mohali.
- Choi’s construction on positive maps which are not completely positive and their extremality (in two parts); on 13th Oct & and 20th Oct 2009,in Maths club, IISER Mohali.
- Turing Machine. In KVPY Summer camp , from 31st May to 1st June 2010, at IISER Mohali. Public instructional lecture and demonstration in front of school level and pre-university level students. Initiated and funded by the Department of Science and Technology, Government of India, to attract exceptionally and highly motivated students for pursuing basic science courses and career in research (for details about KVPY programme see http://www.kvpy.org.in/main)
- P-NP saga: Computation, Security & Knowledge; Public interdisciplinary lecture (in front of a mixed audience consists of MS and PhD students and faculties of different disciplines), 22nd Sept 2009, at IISER Mohali.