1. Department of Soil Science, College of Agriculture, Govind Ballabh Pant University of Agriculture & Technology, Pantnagar, Uttarakhand, India
2. Project Coordinator Micronutrient Unit, Indian Institute of Soil Science, Bhopal, India
3. Administrative Block, Rajmata Vijayaraje Scindia Krishi Vishwa Vidyalaya, Gwalior, India