Manmohan Singh condoled the loss of lives in the boat tragedy and announced the relief from the Prime Minister's National Relief Fund, according to a statement here.
Congress president Sonia Gandhi and vice president Rahul Gandhi also expressed their condolences over the tragedy.
Earlier, Kanchipuram MP, P Viswanathan met the Prime Minister seeking additional assistance to the victim families.
"I have also urged him to extend assistance for admitting the injured in renowned hospitals like the AIIMS," he said.