Prof. (Dr.) Dolly Wattal Dhar is a well-established Agricultural Microbiologist with specialization in Algology. She worked at Centre for Conservation and Utilisation of Blue Green Algae, ICAR-Indian Agricultural Research Institute, New Delhi-110012 for almost thirty-five years as Scientist, Sr. Scientist and Principal Scientist. At present, she is working as Professor, School of Agricultural Sciences, Sharda University, Greater Noida, UP, India. She is known for her contributions in research, teaching and extension. She has worked on enrichment of cyanobacterial germplasm, morpho-physiological and biochemical characterization, strain selection and improvement for nitrogen fixing ability, potential of microalgae for value addition (biopolymers, natural colours, proteins, lipids, food and feed), waste water treatment, plant microbe interaction and molecular biodiversity analysis of cyanobacteria (RAPD, RFLP, 16SrRNA gene amplification and AFLP).