Punjab Chief Minister Parkash Singh Badal predicted that senior BJP leader Arun Jaitley ,who is a close aide of prime ministerial candidate Narendra Modi will be future deputy prime minister of India if the National Democratic Alliance forms next government.Punjab chief minister Parkash Singh Badal introduced Arun Jaitley as a future deputy prime minister to people of the border district of Attari during the BJP leader 's first public rally here, in what can potentially raise many hackles in the saffron outfit. "If voted to power, he will be deputy prime minister or finance minister," Badal said.