Mahalaxmi Racecourse, venue for Diljit Dosanjh’s November 27 concert, also named in email; follows similar threats to Mumbai locations and Maharashtra courts A bomb threat email targeting the. Mumbai was placed on alert on Friday after a bomb threat email targeting the Bombay High Court, the Bombay Stock Exchange (BSE), the Mahalaxmi Racecourse and Bollywood actor Amitabh. Bomb Threat Email Names Amitabh Bachchan's Jalsa, Bombay High Court, BSE And Worli.