1. CSIR-National Physical Laboratory,Advanced Materials and Devices Metrology Division,New Delhi,India
2. Gurukul Kangri Vishwavidyalaya,Department of Physics, Kanya Gurukul Campus,Haridwar,India
3. ICAR-Indian Agricultural Research Institute,Division of Plant Pathology,New Delhi,India
4. Dr. A.P.J. Abdul Kalam Technical University,Lucknow,India