The letter to the Indian Prime Minister was signed by all the leaders, said Selvam Adikalanathn, leader of the Tamil Eelam Liberation Organization (TELO) and a member of parliament for the Vanni district.
This was stated in the media statement issued by him.
It further states,
This morning (11.01) Federal Party (ITAK) leader Mavai Senathirajah signed and all the leaders signed the letter to the Prime Minister of India.
Though the document will be handed over today (11), the leaders have decided to hand over the document on his return as the Indian Ambassador has gone to Delhi on an emergency visit.
He said he expected the letter to be handed over to the Indian Ambassador on the 18th.