The Baharistan-i-Ghaibi (Persian: بهارستان غیبی), written by Mirza Nathan, is a 17th-century chronicle on the history of Bengal, Cooch Behar, Assam and Bihar under the reign of Mughal emperor Jahangir (1605–1627).
[1] Serving in the Mughal army in Bengal, he witnessed most of the region's political events and common life, and wrote from personal observation.
[2] The Baharistan-i-Ghaibi is a unique and extensively documented source of the history of contemporary Bengal, Bihar and Assam and the Mughal subjugation of the region.
[citation needed] The only other source of the time Tuzk-e-Jahangiri, the official memoirs of the emperor only briefly mention a few events in Bengal.
The book names and describes the regional political and military leaders and warriors who played instrumental roles in the events of the era.