The correct answer is Shah Alam II. The Mughal Emperor Shah Alam II granted the Diwani rights to the East India Company after the defeat in the Battle of Buxar (1764). Emperor Shah Alam II granted the Diwani rights of Bengal in the year 1765. Diwani rights mean the right to collect the land revenue. Important PointsShah Alam II, (25 June 1728 ‚¬€œ 19 November 1806) was the eighteenth Mughal Emperor and the son of Alamgir II. He fought the famous Battle of Buxar in 1764 along with his allies Mir Qasim and Shuja-ud Daula against the East India Company. The battle was lost by them. Mir Qasim, Shuja-Ud-Daula and Shah Alam-II lost the battle on October 22, 1764. The treaty of Allahabad was signed by Shah Alam II in the year 1765. Additional InformationKingReignImportant PointsFarrukh Siyar1713-1719Farrukhsiyar gave permission for collecting Chauth and Sardesh Mukhi on Maratha land to Peshwa Balaji Vishwanath. Farrukhsiyar accredited the success to Sayyid brothers- Abdullah Khan & Hussain Ali Khan Barha. Shah Alam I1707-1712He was the son of the Mughal emperor Aurangzeb who succeeded him after his death in 1707. He is also known as Bahadur Shah I. He fought the battle of Jajau in 1707 with his brother Mohammad Azam ShahShuja-Ud-Daulah1754-1775He was the Subedar and Nawab of Oudh from 1754 to 1775. He along with the forces of Mughal emperor Shah Alam II & Mir Qasim ruler of Bengal was defeated by the British forces in the battle of Buxar.