NEW DELHI: Celebrities across the Indian film industry took to social media to mourn the death of Padma Shri recipient Tamil actor and comedian Vivekanandan, also known as Vivekh, who passed away in Chennai on Saturday. In a tragic turn of events, Tamil actor-comedian Vivekanandan or Vivekh died on Saturday. He was at 59. On Friday, the actor was admitted to SIMS hospital, Chennai after suffering from a cardiac arrest. Rajini Kant, Kamala Hassan, Mohanlal and many others mourn Vivek's demise. Singer Chinmayi Sripada, and actors Shruti Haasan and Rakul Preet Singh were among others who mourned the loss. Superstar Rajinikanth, who worked with Vivekh in films such as "Sivaji: The Boss" and "Manathil Urudhi Vendum", tweeted: "Jr Kalaivanar, social activist, and my close friend, Vivek. His demise has caused me a lot of pain. I can never forget the time I shared with him during the making of Sivaji. My deep condolences to his family. Let his soul rest in peace." Actor-filmmaker Kamal Haasan shared a picture of himself with Vivekh and wrote in Tamil. "Rang De Basanti" actor Siddharth tweeted: "Bye Sir. Even in death you were too ahead of your time. We will all miss you terribly. There will be laughter and food for thought in the heavens tonight. #VIVEKH" Actor R. Madhavan tweeted: "RIP @Actor_Vivek sir.Heart broken and stunned that you would embark on your heavenly journey so suddenly and early. The world is deprived of a truly good man who genuinely cared for everyone and everything in it. I will so miss your laughter, wisdom and care. The heavens are lucky." Bollywood actor Abhishek Bachchan tweeted condolences: "Huge admirer of his work and sheer genius. We've lost a legend today. My condolences to Vivek sir's family, friends and fans. #RIPVivekSir". Tamil comedian-actor Vivek passed away Tamil Actor Vivek Critical After Heart Attack, condition said to be critical Puthandu Festival: Amid Covid-19 curbs, Tamil Nadu people usher in New Year