The Battle of Dhai Ali was fought between Captain Welsh of East India Company and the Moamorias led by Bharath Singha (the Raja of Rangpur), reinforced by a contingent of troops sent to his aid by the Bengmara chief Sarbananda Singha.

The site of the battle is in present-day Sivasagar town on the road called Dhai Ali.

[a] According to the Assamese traditions, Captain Welsh's last encounter with the Moamorias was a severe and decisive one.

[1] Ahom king Gaurinath Singha watched this engagement from Rang Ghar near his palace enclosure.

[b][2] Visheswar Vaidyadhip, the author of Belimarar Buranji described the battle with epical vigor:[3] The contest was a terrible one and the smoke from the British guns clouded the sky, and the earth was littered with corpses like palm fruits at the end of tempest, Bharathi (Bharath) lost a finger and he fled from the battlefield with Godha and the remnant of his force.In this engagement, the Moamorias were finally repulsed from Rangpur.