Under the terms of the 1964 agreement with India , 600,000 Indian Tamils were to be repatriated , while 375,000 were to be granted Sri Lankan citizenship .
Before she was replaced , Bandaranaike 's government signed an agreement with India over the status of about one million Tamils : 600,000 were to be granted Indian citizenship and repatriated , and 375,000 were to be granted Sri Lankan citizenship .