Storyboard | Amitabh Bachchan  Kamala Pasand, SRK  Byju’s: A season of brand dissociations While Shah Rukh Khan and Byju#39;s seem to be #39;on a break#39;, Amitabh Bachchan has broken up with a paan masala brand he endorsed. Here#39;s why celebrity and brand matches must be made more carefully.