"Up at 7 a.m. to reach for a dub for 'Krissh 3'... Rakesh Roshan, father to Hrithik and the director and producer of eminence, asked me to do a voiceover for his film... I agreed and that was done," the 70-year-old posted on his blog srbachchan.tumblr.com in the wee hours of Saturday morning.

Hrithik Roshan in 'Krrish 3' and Amitabh Bachchan