Raja said that he was resigning to avoid maintain peace and harmony in Parliament.
"In order to avoid embarrassment to the Government and maintain peace and harmony in Parliament, my leader Karunanidhi has advised me to resign," Raja said.
Raja also added that Telecom Ministry under him had created revolution in the Indian telecom field.
"I will prove that I did everything according to law. I am committed to country and people. My conscience is very clear," Raja added.
It is expected that Prime Minister will forward the resignation letter of A Raja to the President on Monday, Nov 15. The Prime Minister is likely to hold the telecom portfolio until after Parliament"s winter session is over.