[3] The Kohinoor started publication in July 1898 in Kushtia District after Rowshan Ali Chowdhury met Mir Mosharraf Hossain.
It resumed publication in April 1904 and promoted harmony between Muslims and Hindus; the two largest religious groups in Bengal.
On that same year,[4] it also criticised the Urdu-speaking elite who looked down upon the Bengali language due to a superiority complex.
[6] Ismail Hossain Siraji, Maniruzzaman Islamabadi and Abdullah Al-Mamun Suhrawardy regularly contributed to the magazine.
[7][8][9] In early 1914, Yakub Ali Chowdhury wrote an article relating to the language and literature of Bengali Muslims.