Bollywood superstar Salman Khan and his bodyguard were booked by the police on charges of assault, robbery and criminal intimidation on Wednesday, two days after a court's directive.br br An FIR has been registered against Khan and his bodyguard Vishal on the basis of a complaint filed by an anti-corruption activist, Ravindra Dwivedi.br br In his complaint before the court, Dwivedi has alleged on November 4 last year, the 49-year-old actor and his bodyguard had abused and assaulted him inside a Mumbai-Delhi flight.