Shahrukh Khan is working in Bollywood for 25 years. So with his acting he has won the title of King Khan. There is a thing in his career, that he will never do. You must be knowing, There was a film of Shahrukh Khan Josh, in which Aishwarya Rai was his sister. There was a song in this film 'Apun Bola Tu Meri laila' which was hit, this was sung by Shahrukh only. In film Jab Tak Hai Jaan, he has read a poem in his voice. When Shahrukh Khan reached as a guest in Musical realtiy show Sare Gama Pa, then he said, 'I still remember that day when I was recording 'Upun Bola Tu Meri Laila'. This is one thing which I will do never. So salute to all those singers who have sung hit songs for me.'