<span class=normal>Since Amitabh Bachchan is the ambassador of Kaylan Jewelers, he recently shot a commercial for the company at the Film City in Mumbai featuring south stars Nagarjun, Prabhu Ganesan, Sivaraj Kumar and Manju Warrier on Thursday. It is a two minute ad directed by VA Sreekumar at a budget of Rs. 1.5 crores. </span>