Mosque of Sadhana Kasai has been declared a historical structure by the Archaeological Survey of India. This mosque is dedicated to Bhagat Sadhana, who is popularly known as Sadhana Kasai (Qasai). He was a Muslim poet, saint and mystic. His spiritual hymns have been included in the holy book of Sikhs, Guru Granth Sahib. Made of local Sirhindi bricks, this mosque boasts of beautiful Mughal architecture and ‘T’ art paintings.