Dr. Shailendra P. Singh is an Assistant Professor at the Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University (BHU), Varanasi, India. He earned his PhD from the Department of Biology, Friedrich-Alexander University, Erlangen-Nuremberg, Germany. Prof. Dr. Rajeshwar P. Sinha, DAAD Fellowship Awardee and Fellow, Society for Applied Biotechnology, India, is a Professor of Molecular Biology, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University (BHU), Varanasi, India. Prof. Donat-P. Häder is the past-Director of the Botanical Institute and held the chair of Ecophysiology of Plants at the Friedrich-Alexander University, Erlangen-Nürnberg, Germany. He was also the director of the Botanical Garden.