Hindustan Surkhiyan Desk:Superstar Salman Khan and a host of other Bollywood artists including Katrina Kaif, Sonakshi Sinha, Ranveer Singh and Prabhu Deva have been sued by an Indian-American promoter, which alleged that they refused to perform at a concert in the US despite having taken money from it. The lawsuit, filed by Chicago-based Vibrant Media Group before a Northern District Court of Illinois, Eastern Division on June 10, has been assigned to District Judge Sharon Johnson Coleman.Others sued by the promoter include superstar Akshay Kumar besides singers Udit Narayan, Alka Yagnik and Usha Mangeshkar. The Vibrant Media Group in its lawsuit against the Indian artists and their agents Matrix India Entertainment Consultants Private Limited and Yashraj Films Private Limited alleged “breach of contract”.According to the complaint, in 2013 the Vibrant Media Group had hired the artists to appear live and perform at the concert ‘Celebrating 100 years of Indian Cinema’, which was to be held on September 1, 2013. That show had to be cancelled as Salman was unable to leave India because of his legal troubles in Rajasthan. The Vibrant Media Group had agreed to postpone the event, the lawsuit said.