Former Joint Director of Agriculture (Mycology & Plant Pathology)
Department of Botany, University of Calcutta
Honorary NASI Senior Scientist, Former Professor, Department of Botany
National Institute of Fundamental Studies
Principal Scientist (Plant Pathology)
Central Seed Research Station for Jute & Allied Fibres
ICAR: Central Research Institute for Jute & Allied Fibres
Department of Botany
Head & Principal Scientist Division of Crop Protection
Dept. of Plant Pathology
Director Centre for Advanced Studies in Botany
Centre for Advanced Studies in Botany
Head, Division of Plant Pathology
Senior Scientist (Plant Pathology), Crop Protection Division
Chief Scientific Advisor
Former Vice Chancellor, Professor Higher Academic Plant Pathology
Principal Scientist, Plant Pathology
Dean,RSV College of Agriculture & Research Station,
Molecular and Applied Mycology and Plant Pathology Laboratory Department of Botany,University of Calcutta