"International conference on mathematics methods and models in Bioscience(BIOMATH2019)",
Poznan, Poland, during June 16-22,2019.(Contributed Talk)

 "International conference on Applied mathematics and Mathematical modelling", IGU, Istanbul,
Turkey, during March 10-13,2019.(Contributed Talk)

 "International conference on Information Technology and Applied Mathematics", HIT, Haldia,
India, during March 07-09,2019.(Presented Paper)

 "Workshop on Growth Curve Models in Polpulation Dynamics Using R for Biologists", ISI, kolkata,
India, during February 12-13,2019.

 "12th International Conference on Mathematical Sciences for Advancement of Science and Technology  (MSAST 2018)", Saltlake, Kolkata, December 21-23,2018, (Presented paper).

 " National Conference on Mathematical Analysis and Mathematical Modelling (NCMAMM 2018)",
CMC, Saltlake, Kolkata, December 07-08,2018, (Contributed Talk).

 "3rd Regional science and Technology Congress", Govt of West Bengal, India, during December
18-19,2018. (Contributed Talk)

 "International Conference on Mathematical Analysis and Application in Modeling ( ICMAAM
2018 )", JU, Kolkata, India, during January 09- 12, 2018. (Contributed Talk)

 "National Workshop on Recent Advences in Modelling & Computational Techniques in Applied
Mathematics", IIEST, Shibpur, Howrah, India, during November 20-24,2017.

 "The course on Dynamical Systems: Theory & Applications (DSTA 2017)", Indian Institute of
Technology Dhandad (ISM), India, during May 08-12, 2017.

 "Short-Term Course on Differential Equations–Theory, Computation and Applications", (IITK),
India, during February 27- March 03, 2017.

 " Research Scholars Colloquium 2016", IIEST, Shibpur, Aug 23-24, 2016. (Contributed Talk)

 "Nation Workshop on Hyperbolic Differential Equations and Conservation Laws (HPDECL 2016)",
University of Kolkata, India, during Auguest 10-12, 2016.

 "International Workshop on Nonlinear Complex Dynamical Systems", ISI Kolkata, India, during
February 19-20,2016.