Professor of Fruit Science, Bidhan Chandra Krishi Viswavidyalaya

INRES - Horticultural Science - University of Bonn - emeritus

USDA ARS

CCS Haryana Agricultural University, Hisar

Professor of Horticulture, College of Hort. abd Forestry, Jhalawar

Zhejiang University

Clemson University

Scuola Superiore Sant'Anna , Pisa, Italy

Nigde University

Punjab Agricultural University, Ludhiana