Shah Rukh's generosity of spirit does not only stretch to giving away watches on "Kaun Banega Crorepati" (KBC). He knows how to repay old debts. Producer Viveik Vaswani found that out recently when he approached the Khan to make a guest appearance in his new production "Dulha Mil Gaya".

Not only did SRK readily agree to make an appearance in the comedy, he has also agreed to let his role be extended to more than double what it was meant to be originally.

This isn't the first cameo appearance he has done for a friend. Recently he made fleeting appearances in "Silsilay", "Kuch Meetha Ho Jaye" and "I See You".

"These were for friends. And although I don't like making cameo appearances I can't say no to a friend if he asks me to be in his film," Shah Rukh told IANS.

"Viveik is someone I've known from the time I came to Mumbai. And yes, he requires more of my dates for his film. So why not?" he reasoned.