1. S.V. Agricultural College, Acharya N. G. Ranga Agricultural University, Tirupati, Andhra Pradesh, India
2. Nanotechnology Laboratory, Institute of Frontier Technology, Regional Agricultural Research Station, Acharya N. G. Ranga Agricultural University, Tirupati, Andhra Pradesh, India
3. Department of Chemistry, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India