The correct answer is C. Edwina Mountbatten – Her Relationship with Nehru.
Mountbatten was the wife of Louis Mountbatten, 1st Earl Mountbatten of Burma, who served as the last Viceroy of India and the first Governor-General of independent India. She was a controversial figure, and her relationship with Nehru was the subject of much speculation.
The book Edwina Mountbatten – Her Relationship with Nehru explores the nature of their relationship and its impact on both their lives. It is based on extensive research, including interviews with people who knew them both.
The other options are not biographies of Lady Mountbatten.
A. Mountbatten is a general biography of the Mountbatten family.
B. Edwina Mountbatten is a biography of Lady Mountbatten, but it does not focus on her relationship with Nehru.
D. Edwina Mountbatten – A Life of Her Own is a biography of Lady Mountbatten, but it is not a scholarly work.