LONDON: There is speculation in a section of the British press that one of the reasons why a few documents -- diary notings and private letters -- have been withheld from inspection by academics, is because these would further disclose the relationship between India's first, quite revered Prime Minister Jawaharlal Nehru and Edwina Mountbatten, wife of Lord Louis Mountbatten, the last British viceroy and first governor-general of India.