New Delhi, Dec 10 (ANI): Bollywood actor Uday Chopra, says his biggest regret is that he didn't work with his father Yash Chopra, one of the finest and most'celebrated director in the Hindi film industry. "That's my biggest regret. When he was making 'Jab Tak Hai Jaan', I told Aditya please give me one small scene, give me anything - I just want to get directed by dad, but it didn't happen and we didn't expect that he would die," Uday said."It is the biggest regret because there was a time when a movie was being planned where my father was expected to direct me, but that never happened," he added.