New Delhi, Apr 24 (ANI): Dhoni was forced to step down as the brand ambassador of real estate firm Amrapali after homebuyers trolled him on Twitter about the delay in completion of the housing project.. Earlier Amitabh Bachchan, Priety Zinta and Madhury Dixit found themselves in a controversy after excess lead and monosodium glutamate was found in Nestle's 2-minutes Maggi noodles. Superstar Amitabh Bachchan was also criticised for endorsing double-wrapped Dairy Milk with stress on purity after worms were found in some of the chocolate bars. Coke, which faced controversies for worms and pesticides in the soft drink, was endorsed by Amir Khan for which he had to face the 'morality question'.