The controversy surrounding Kala Hiran: The Battle for Legacy has escalated days after the film found itself at the centre of a legal dispute involving Salman Khan. Producer Amit Jani has now alleged that he has received hundreds of abusive messages and death threats online following reports that the Bollywood star’s legal team issued a notice objecting to the project. The upcoming film has drawn attention for being based on the blackbuck poaching case linked to Salman and for reportedly exploring the long-running conflict between the actor and gangster Lawrence Bishnoi. In a video posted on Thursday, Amit Jani claimed that he had received an overwhelming number of threatening messages from individuals he described as Salman Khan’s supporters. “People keep asking me, the media, friends, what response should be given to the notice from Salman Khan. This notice, what should I reply to it? For the past 36 hours, all his fans from Dharavi to Jogeshwari have sent 1,000 messages, including death threats, saying they’ll cut my head off if I come to Mumbai. So …