The Dalmadal Cannon, also known as the Dal Madal Kaman, was built under the orders of Raja Gopal Singha in 1742 at the cost of Rs.

[5] The blacksmith Jagannath Karmakar forged the cannon, which weighs approximately 296 maunds (around 11,840 kg) and has a length of 3.8 meters.

[8] A popular local legend surrounds the Dalmadal Cannon, claiming that it was miraculously fired by Lord Madan Mohan, the tutelary deity of the Malla kings, to protect Bishnupur from the Maratha invader Bhaskar Rao.

The Dalmadal Cannon is part of Bishnupur's rich cultural landscape, which includes numerous UNESCO-listed terracotta temples.

It forms a central piece in Bishnupur's historical tourism circuit, which includes notable sites like the Rasmancha and Madanmohan Temple.