Arun with veteran BJP leader Atal Bihari Vajpayee
As an advocate Arun has represented the Birla family and filmmaker Ram Gopal Verma.
Arun Jaitley is a strategic planner.
The BJP has seen a number of victories under his planning.
For instance in 2007, Arun Jaitley was instrumental in organizing campaign that returned incumbent CM Narendra Modi back to power. Modi had specially requested Jaitley's support.
He managed eletions for Uma Bharti in Madhya Pradesh and was specifically put in charge of Karnataka which went to polls simultaneously with the Lok Sabha elections in 2004. BJP then won 18 out of 26 seats in LS elections and 83 in Assembly elections.