1. Jadavpur Univ.; Kolkata West Bengal 700 032 India
2. Directorate of Research, Bidhan Chandra Krishi Viswavidyalaya; Kalyani West Bengal 741 235 India
3. Dep. of Agril. Statistics; Bidhan Chandra Krishi Viswavidyalaya; Mohanpur West Bengal 741 252 India