Arun with former president APJ Abdul KalamIn 2000 he was made a Cabinet Minister. In 2002 Arun Jaitley became General Sectretary of BJP and also its national spokesperson.
After BJP's defeat in 2004 General Elections, he continued to practice law and was yet with the BJP. He was elected to the Rajya Sabha in 2000.
In 2006 he was reelected to the Rajya Sabha. He was also elected as the Leader of Opposition in the Rajya Sabha in 2009.
As a leader of the Rajya Sabha, he was extremely vocal about his opinion. Jaitley has excellent oratory skills and he left no opportunity to display them.