Principal Scientist
Plant Pathology
Indian Institute of Spices Research
India
Professor
Plant Science
Smithsonian Tropical Research Institute
United States of America
Scientist ‘D’
Department of Palaeobotany
Birbal Sahni Institute of Palaeobotany
India
Scientist ‘D’
Department of Palaeobotany
Birbal Sahni Institute of Palaeobotany
India
Principal Scientist
Plant Physiology
Indian Institute of Spices Research
India