1. Laboratory of Herbal Pesticides, Centre of Advanced Study in Botany, Banaras Hindu University, Varanasi, India;
2. Department of Botany, Kamla Nehru Institute of Physical and Social Sciences, Sultanpur, Uttar Pradesh, India;
3. Department of Botany, North Eastern Hill University, Shillong, India;
4. Department of Botany, M. M. V Banaras Hindu University, Varanasi, India