Shāh Amānat Khān (Bengali: শাহ আমানত খাঁন, Persian: شاه أمانت خان; died 1773), was an 18th-century Sufi Muslim figure in South Asia.
He managed to get a job as a punkah wallah at the Chittagong Judge Court, and preferred a simple lifestyle without attracting much attention.
[9] Shah Amanat established Khanqah Amanatiya to preach Islam and Naqshbandiya, Mujaddedia, Qadirriyya, Chishtiya and Madariya Sufi order.
[16] This system of providing Langar was established by Shah Sufi Amanat Khan in his Khanqah and continued till date by the Sajjada Nashins.
After living a glorious Sufi life he died in 1890 AD leaving the Khanqah and Dargah Sharif on his son Shahzada Sher Ali Khan's responsibility.
[14] In 1942, when Shahzada Sher Ali Khan died, his four sons became the Sajjada Nashin of Dargah Sharif and Khanqah Amanatiya, and continued to serve the people and the path of Sufism.
[15] The sons of the four brothers became the Sajjada Nashin, the dynasty is currently under the supervision of them - the seventh generation of Shah Sufi Amanat Khan.
There is also a power and energy company called Shah Amanat Prakritik Gas Co. Ltd. owned by S. Alam Group of Industries.