Chowdhury moved his residence from Ambaria to the village of Subornokhali, then an important port on the Jamuna River, and in 1890 built Hemnagar Zamindar Bari or Hemnagar Palace (also known as Parir Dalan) three kilometres to the south-east; the area was named Hemnagar after him. The palace sheltered freedom fighters during the Bangladesh War of Liberation and in 1989 the main portion was leased to Hemnagar Degree College.