Balki's ideas have included "Daag Achche Hain" for 'Surf Excel', "Jaago re" ads for 'Tata Tea' and the "walk when you talk" Idea Cellular advertising campaign. He has written and directed Cheeni Kum (2007), which starred Amitabh Bachchan and Tabu. His second feature film was the critically acclaimed and commercially successful Paa, (produced by Sunil Manchanda), released on 4 December 2009, starring Amitabh, his son Abhishek Bachchan, and Vidya Balan. Shamitabh is his third Bollywood venture starring Amitabh Bachchan, Kollywood actor Dhanush and Akshara Haasan, making her debut in the film. The film released on 6 February 2015. His recent directed movie "Ki and Ka" released on 1 April 2016 starring Kareena Kapoor and Arjun Kapoor.