His father Khwaja Abdul Gani Mir resident in 1835 begamabajare Alimullah purchased it settled. The new palace was built in 1872 by Nawab Abdul Ghani. The new building was named after his favorite son Khawaja Ahsan Ullah Ahsan Manzil. In 1897, an earthquake rocked the capital on June 1 Ahsan Manzil is extensive damage. Ahsan Manzil, Islampur Road, adjacent to the southern balcony nahabata temple collapsed completely. Subsequently, the Nawab ahsanullah reconstructed.