Amitabh Bachchan shares throwback picture featuring little Hrithik Roshan on the sets of 'Mr Natwarlal' In the monochromatic photo, Big B is seen seated on a chair as he holds a paper with the lyrics, and is indulged in the music rehearsal. Mumbai: Taking a walk down the memory lane, megastar Amitabh Bachchan on Tuesday reminisced about his first song 'Mere Pas Aao' that he crooned for 1979 comedy-drama 'Mr Natwarlal'. The 'Don' actor took to Instagram and shared a priceless throwback picture that also sees little Hrithik Roshan. In the monochromatic photo, Big B is seen seated on a chair as he holds a paper with the lyrics, and is indulged in the music rehearsal. Sporting a 70s look, Senior Bachchan donned a striped full sleeves T-shirt, and bell-bottom pants, while the music production team is also seen in the backdrop.