Minister Arumugam Thondaman has submitted his resignation letter to President Mahinda Rajapaksa.
The letter was submitted this evening. However the President has not accepted the letter.
The resignation was over some posts in the government sector, sources said.
President Rajapaksa had sent Minister Maithripala Sirisena to meet Minister Thondaman in an attempt to settle the dispute.
Thondaman, the Minister of Livestock and Rural Community Development, is a Member of Parliament representing the Nuwara Eliya District.
He is the leader of the Ceylon Workers’ Congress and an advocate for the Indian Tamils of Sri Lanka.