The correct answer is: A. D. N. Mazumdar.
D. N. Mazumdar was an Indian anthropologist who specialized in the study of Himalayan polyandry. He is the author of the book ‘Himalayan Polyandry’, which was published in 1937. The book is a study of the practice of polyandry in the Himalayas, and it provides a detailed description of the social and cultural factors that contribute to its existence.
Option B, Anand Chand, is a Nepalese politician who served as the Prime Minister of Nepal from 1995 to 1997. He is not the author of the book ‘Himalayan Polyandry’.
Option C, Sharab Negi, is an Indian politician who served as the Chief Minister of Himachal Pradesh from 2007 to 2012. He is not the author of the book ‘Himalayan Polyandry’.
Option D, L. C. Prarthi, is an Indian academic who specializes in the study of Himalayan culture. He is not the author of the book ‘Himalayan Polyandry’.