♦ Delivered an invited talk in the International Conference on Modeling, Analysis and Simulations of Multiscale Transport Phenomena on August 26, 2022, Department of Mathematics, IIT Kharagpur
♦ Delivered an invited talk in the RC on Recent Advances in Science and Technology on 25.8.2021 conducted by Academic Staff College, University of Burdwan, West Bengal
♦ Delivered an invited talk in the Faculty Development Program on Mathematical Biology and Biostatistics" on 28 July, 2021, Amity University, Kolkata, INDIA
♦ Delivered an invited talk in the national Conference on Mathematical Modeling and and its Application in Natural and Engineering Science (NSMMANES-2019) on 25th March, 2019, Aliah University, Kolkata, INDIA.
♦ Delivered an invited talk in the International Conference on Mathematical Modelling and Computations (ICMMC-2018) (UNDER THE AEGIS OF IAMMS, IIT KANPUR), December 1-3, 2018, South Asian University , New Delhi, INDIA.
♦ Delivered an invited talk in the International Conference on Mathematics and its Application, February 15-17, 2018, Department of Mathematics, Burdwan University, INDIA.
♦ Delivered an invited talk in the national level seminar on “ Emerging issues in inter & intra – disciplinary studies : An Indian Perspective”, March 4-5, 2016, Suri Vidyasagar College, W.B.
♦ Delivered an invited talk in the 1st International Conference on Mathematics and its Application 23 December, 2015 Mathematics Discipline, Khulna University, Bangladesh
♦ Delivered an invited talk in the National Seminar on computational hemodynamics: clinical and engineering aspects organised by Jadavpur University, KOLKATA during August 17-18, 2012.
♦ Invited for oral presentation in Seventeenth Mathematics Conference of Bangladesh Mathematical Society on 22-24 December, 2011 at Jahangirnagar University, Savar, Dhaka, Bangladesh.
♦ Delivered an invited talk in the National Seminar on Mathematics and Applications, February 24-25, 2011 at Department of Mathematics, The University of Burdwan,
♦ Delivered an invited talk on Mathematical Modelling of Physiological Flow on Dec. 29, 2005 at Institute for Mathematical Research, Universiti Putra Malaysia, Malaysia