Career
According to the Riyaz-us-Salatin, he shifted the seat of government from Gaur to Tanda. They dominated the area while Sulaiman paid homage to the Akbar. The Afghans defeated by Akbar began to flock under his flag.
The Afghans were not technically the rulers of Bengal, the post was primarily nominal.
Sulaiman Khan Karrani did not establish his own coinage during his reign, an act that would have been tantamount to declaring statehood to the ruling Mughals. He also honored Akbar as the supreme ruler of Bengal by requiring that mosques read Akbar"s name in the Khutbah, the sermon at the Friday congregational prayers in Bengal.
Historians cite these acts as keeping the diplomatic peace between Bengal and Mughal Empire during Akbar"s lifetime. After a few major battles against the Oriyas, and aided by civil war elsewhere in Orissa, Sulaiman was able to bring the entire area under his rule.
Kalapahar sacked the Jagannath temple and took Puri under control.
Sulaiman Karrani appointed Lodi Khan and Qutlu Khan Lohani governors of Orissa and Puri respectively. Sulaiman Khan Karrani then sent general Kala Pahar against the Kamata (later Koch Bihar under the Mughals) king Vishwa Singha. Kala Pahar crossed the Brahmaputra River and advanced as far as Tejpur (modern-day Dinajpur District, Bangladesh).
Kala Pahar defeated and captured the Kamata general Shukladhwaja, third son of Bishwa Singha.
He built the Sona mosque in old Maldah. The historian 'Abd al-Qadir Bada"uni mentions that every morning Sulaiman would hold a devotional meeting with 150 Shaikhs and Ulama and only thereafter would go about transaction of state business.