A New York court served a summons last Friday at the New York residence of Major General Shavendra Silva, who is Sri Lanka's deputy permanent representative to the United Nations.
"Even with or without diplomatic privileges, I have the strength and courage and I will fight to safeguard Sri Lanka’s interest," Silva told the Colombo-based Financial Times newspaper on Monday.
He said President Mahinda Rajapakse, who was in New York last week to attend the annual UN General Assembly meetings, had directed officials to seek legal advice.
Silva was commanding officer of the 58th Division in the army which helped crush the Tamil Tiger rebels, who had waged a war for decades demanding a homeland for the Tamil ethnic minority.
"This law suit is a yet another sini