Nawab Moulvi Ali Amjad Khan (1871 – 1905) was the Nawab of Longla during 1874–1905. Honorary Magistrate Ali Amjad Khan was educated at St. Edmund's College, Shillong, St. Paul's School, Darjeeling and later at Aligarh Muslim University. He succeeded his father Ali Ahmed Khan at his death in 1874. Nawab Ali Amjad Khan was very successful in increasing the revenue of the Estate many fold. However, on 12 July 1897 there was a cataclysmic earthquake that caused colossal damage to the region and estate. Nawab Ali Amjad Khan was a well known hunter, educationist, social worker and philanthropist.

Khan was born on 17 November 1870 to an royal Bengali Shi'ite family in the village of Prithimpassa in South Sylhet, Bengal Presidency. His father, Moulvi Ali Ahmed Khan, was the Nawab of Longla and his mother, Umraonissa Khatun, was a housewife. Upon his birth, his father established the Ali Amjad's Clock in 1874.

Khan married Syeda Fatima Banu, daughter of Syed Aminuddin Hasan of the Narpati Haveli Bari in Chunarughat, Habiganj.^[1]

Ali Amjad had the hobbies of horse riding, polo and hunting.^[2] Ali Amjad was a hunter, according to records he had shot 43 tigers in his own jungle and in other forests in Assam and Tripura. Ali Amjad was one of the first tea pioneers in his region and his most notable tea estate was Rungicherra. Ali Amjad was also an educationist in his region by founding the Ali Amjad Government Girls' High School, providing scholarships to students in Karimganj, presenting gold medals to outstanding students in Tripura and by being a member of the Aligarh Muslim University. He also contributed to different sectors of the economy such as finance, logistics communication, postal system, medical and other sectors in his region. In recognition of this the British declared him the Honorary Magistrate of the entire region. In 1895, he visited the Nawab Bahadur of Murshidabad Syed Wasif Ali Meerza who was his close friend. They had a very successful tiger hunt in the hills near Bahadurpur Station in Assam. In 1897 there was a cataclysmic earthquake 1897 Assam earthquake which caused colossal damage to the region and estate. In 1901 Lord Curzon who was the Governor General of India visited Silchar and Nawab Ali Amjad Khan played a role during the visit. During his tenure his family was known to be the wealthiest family in the Sylhet Region.^[3] In 1905 on his way to Kolkata he was struck with enteric fever that caused his untimely death at the age of 34. His sons were Nawab Ali Haider Khan and Nawab Ali Asghar Khan who were both MLA's.

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