"I would like to assure the people of Tamil Nadu that their interests have been fully safeguarded while drawing up the Cauvery agreement. People should not have any misgivings on this count", the Prime Minister, Mr. A.B. Vajpayee, said today. He was responding to a question at a press conference on the observations of the AIADMK General Secretary, Ms. Jayalalitha, that the Cauvery agreement was a fraud perptrated on Tamil Nadu.