Teaching Assistant, Florida Atlantic University, Florida, USA.
Teaching Assistant, University of Miami, Florida, USA.
Faculty, National Power Training Institute (ER), Durgapur, West Bengal.
Assistant Professor, Department of Mathematics, University of North Bengal.
Assistant Professor, Department of Mathematics, West Bengal State University.
Associate Professor, Department of Pure Mathematics, University of Calcutta.
Professor, Department of Pure Mathematics, University of Calcutta.
Undergraduate : Basic Algebra, Linear Algebra, Coordinate Geometry, Engineering mathematics
Postgraduate :Â
Group, Ring, Field extension and Galois theory
General Topology
Algebraic Topology - homotopy and homology theory
Rings of Continuous Functions
Differential Geometry
C Programming