The palace complex, located north of the Bagmati river, consists of a large number of courtyards, gardens, and buildings.

Kalmochan temple, dedicated to the Hindu god Lord Vishnu the preserver, was a part of the Durbar complex.

He named it after his two wives Hiranya Garbha and Hem, whereas Narayan means god Bishnu.

It is believed that Jung Bahadur Rana had buried the dead bodies of people who died in Kot (Arsenal) Parva (massacre) under this temple.

The visual scars were evident in this structure, a large shear crack on the eastern wall and along edges of the roof after 2011 Sikkim earthquake of India.