Employment

Professor of Botany, University of North Bengal (2000 - 2017)

Reader in Botany, University of North Bengal (1993 - 2000)

Senior Lecturer in Botany, University of North Bengal (1986 - 1993)

Lecturer in Botany, University of North Bengal (1984 - 1985)

Lecturer in Botany, Darjeeling Government College (West Bengal Education Service) (1980 - 1984)