 Hindustan Times | First song of SRK's Jab Tak Hai Jaan out! Hindustan Times The much-awaited Challa number from YRF's Jab Tak Hai Jaan has finally released on web. SRK is back as an out-and-out romantic hero after a long time. He's seen strumming a guitar in the song. Shah Rukh Khan fans who swear by his trademark romantic ... Watch: Shah Rukh Khan in the 'Challa' song from 'Jab Tak Hai Jaan' Watch: Shahrukh Khan-Katrina Kaif in Jab Tak Hai Jaan's 'Challa' song Jab Tak Hai Jaan: SRK gets intimate with Katrina, posts pic on Twitter |