Calcutta, Nov. 7: Tollywood director Bappaditya Bandopadhyay, 45, died of multi-organ failure at 8.40pm today at Peerless hospital. He was admitted to the hospital on the Bypass on November 1 with chest pain. He was put on ventilator on Friday after he suffered a cardiac arrest. “My exposure to world cinema happened through him. He was a wonderful human being,” said Paoli Dam, whom Bappaditya had directed in Kagojer Bou and Elar Chaar Adhyay.