Biotechn ological and biochemical investigations on two medicinal plants, Holarrhena pubescens wall. ex G. don and nerium oleander L. and bioefficacy of green synthesized nanoparticles against malaria, filariasis and dengue vectors - Dinesh Kumar Au.; University of Delhi. Faculty of Science. Department of Botany; Agrawal Veena Gu.; University of Delhi. Faculty of Science. Department of Botany (2018)