Teaching experience:   22 years

      1996-2001   Lecturer, Department of Mathematics, Bengal Engineering and

                          Science University, Shibpur, Howrah, India.

      2001-2005:  Senior Lecturer, Department of Mathematics, Bengal Engineering

                         and Science University,  Shibpur, Howrah, India.

     2005- 2008:  Assistant Professor, Department of Mathematics, Bengal

                          Engineering and Science University, Shibpur, Howrah, India.

     2008- 2011   Associate  Professor,  Department of Mathematics, Bengal

                          Engineering and Science University, Shibpur, Howrah, India

             2011 :  Professor, Department of Mathematics, Indian Institute of Engineering

                          Science and Technology, Shibpur 

Courses undertaken:

            Undergraduate:  All the Mathematics courses at undergraduate level.

            Post graduate:    Special functions, C-language, Computer 

                                       programming, Nonlinear Dynamics, Mathematical   Ecology.