In the second campaign, Prince Sapuma defeated Kanakasooriya Cinkaiariyan and ruled the region nearly 17 years as a representative of Kotte.

It had influential control over Palk Strait and extended its domination over Vanni, Puttalam, and Chilaw regions.

He made a request to Prince Sapumal for invading Jaffna kingdom as the king wanted to keep him away from Kotte by considering future crown issues.

Sapumal gathered forces from Kotte and launched the second attack, including center of Jaffna during 1453-4.

[4][5] Parakramabahu VI appointed Prince Sapumal as representative of Kotte and ruler of Jaffna.

Sapumal received cooperation from local people including chieftains and the Jaffna army.