Dr. V.K. Chauhan is working as Professor in Medicine and Pediatrics at Nehru Homeopathic Medical College, Delhi. He joined this institution as Demonstrator in 1977 and subsequently rose to become Professor. He has undergone training at various institutions in India., U.K. & USA. He is MD in Repertory. He has been awarded State Award 2006, Delhi Govt. for his untiring work in the field of homeopathy. He is currently involved at institutional level in teaching undergraduate & post graduate students at different institutions. Dr. Meeta Gupta is B.H.M.S. from Nehru Homeopathic Medicial College & Hospital, New Delhi and is pursuing M.D. in Materia Medica. She has also done PGDHA form Y.M.C.A., New Delhi. She is also M.Sc. (Ecology & Environment) from Indian Institute of Ecology & Environment, New Delhi. She is presently working as Medical officer in Dr. B.R. Sur Homeopathic Medical College, Hospital & Research Centre, New Delhi. She has co-authored many books on homeopathy with Dr. V.K. Chauhan.