Administration

Registrar (Officiating), University of North Bengal (7 February 2012 - 31 March 2012)

Head of the Department of Microbiology, University of North Bengal (2008 - 2012)

Coordinator of Special Assistance Programme (DRS-I) of UGC in the Department of Botany, University of North Bengal (2002 - 2007)

Head of the Department of Botany, University of North Bengal (2000 - 2002)

Head of the Department of Botany, University of North Bengal (1996 - 1998)

Member of the Court of the University of North Bengal (1986 - 1990)