The present treatise "Botanical Researches in India: Present Status and Emerging Challenges" has been published to facilitate Prof. Y.D. Tiagi on the occasion of his 60th Birthday. The research articles, written by outstanding experts in their fields have been grouped under several themes such as Taxonomy, Phylogeny and Biosystematics; Physiology and Development of Plants under Normal and Stress conditions; Biological Fixation of Nitrogen; Ecosystem perturbations, Management, Reclamation, Biomonitoring and Indicate Botany; Morphology and Reproductive Biology of Plants; Host-Parasite Interactions and Tissue Culture and Biotechnology. Most of the articles are comprehensive reviews containing present state of art on the subject and future challenges for young scientists. Besides serving as a reference book to research workers this treatise would also be highly useful to the post graduate students for having a ready made appraisal of modern development in plant sciences.