Amin ud-din Ahmad Khan (23 March 1911 – 12 June 1983) was the last Nawab of princely state of Loharu, ruling from 1926 to 1947.
Born on 23 March 1911 in Delhi, he studied Aitchison College, Lahore, later, Member of the Chamber of Princes, and briefly served the Indian Army and saw action during the Liberation of Goa in 1961 .
He was a leader of the regional Indian National Congress party, and became a member of the Legislative Assembly of Rajasthan (MLA), and subsequently the 'Minister Public Works Department', Government of Rajasthan from 1967 to 1976.
Thereafter, he stayed the governor of Himachal Pradesh (1977–1981) and governor of Punjab (1981–1982).
He donated the famous and valuable library collection of his family to the Raza Library in Rampur. He died at New Delhi on 12 June 1983, aged 72.
He had one daughter from his wife, Shahzadi Sultan Begum,
Mah Bano Begum (Born 1934): married to H. E. Dr. S. M. Koreshi, Ambassador of Pakistan.He had one daughter from his wife, Saira Begum,
Shah Bano Begum (Born 1937)He had three children from his wife, Shaukat Jehan Begum,
Ala-uddin Ahmad Khan II (Born 1938): After staying in Kolkata for many year, he now lives in Loharu town Aimaduddin Ahmad Khan, or 'Durru Mian' (Born 1944): Indian National Congress politician, member Legislative Assembly of Rajasthan state, settled in Jaipur Noor Bano (Born 1939): Married to Syed Zulfiqar Ali Khan of Rampur, and a member 11th Lok Sabha and 13th Lok Sabha.1911–1926: Nawabzada Mirza Amin ud-din Ahmed Khan1926–1931: His Excellency Fakhr ud-Daula, Nawab Mirza Amin ud-din Ahmad Khan Bahadur, Nawab of Loharu1931–1934: Second Lieutenant His Excellency Fakhr ud-Daula, Nawab Mirza Amin ud-din Ahmad Khan Bahadur, Nawab of Loharu1934–1939: Lieutenant His Excellency Fakhr ud-Daula, Nawab Mirza Amin ud-din Ahmad Khan Bahadur, Nawab of Loharu1939–1948: Captain His Excellency Fakhr ud-Daula, Nawab Mirza Amin ud-din Ahmad Khan Bahadur, Nawab of Loharu1948–1961: Captain His Highness Fakhr ud-Daula, Nawab Mirza Amin ud-din Ahmad Khan Bahadur, Nawab of Loharu1961–1983: Major His Highness Fakhr ud-Daula, Nawab Mirza Amin ud-din Ahmad Khan Bahadur, Nawab of LoharuKing George V Silver Jubilee Medal-1935King George VI Coronation Medal-1937Indian Independence Medal-1947