sentences:  Just before the 1911 Coronation Darbar held for King-Emperor George V, the diwan was awarded the title of nawab, a personal salute of 13 guns, and the style of His Highness, in 1910.Relations with Radhanpur State date from 6 July 1820, when an agreement was signed under the terms of which the Nawab was bound to pay a yearly tribute to the British.The state has been held by the Babi family since 1693, when Jafar Khan obtained Radhanpur, Sami, Munjpur and Tervada with the title of Safdar Khan.